Home / 103,538,113,437.22-155,169,876,244.49-53,171,512,535.15

Finding the Fourth Proportional to 103,538,113,437.22, 155,169,876,244.49 and 53,171,512,535.15

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Solution

The fourth proportional to 103,538,113,437.22, 155,169,876,244.49 and 53,171,512,535.15 is: 79,686,762,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,538,113,437.22 : 155,169,876,244.49 = 53,171,512,535.15 : x
  2. Step 2: Convert to fraction form
    103,538,113,437.22/155,169,876,244.49 = 53,171,512,535.15/x
  3. Step 3: Cross multiply
    103,538,113,437.22x = 155,169,876,244.49 × 53,171,512,535.15
  4. Step 4: Simplify right side
    103,538,113,437.22x = 8,250,617,019,810,797,584,384
  5. Step 5: Solve for x
    x = 8,250,617,019,810,797,584,384/103,538,113,437.22
  6. Step 6: Final answer
    x = 79,686,762,158.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.