Home / 103,538,113,494.60-155,169,876,330.54-53,171,512,592.52

Finding the Fourth Proportional to 103,538,113,494.60, 155,169,876,330.54 and 53,171,512,592.52

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Solution

The fourth proportional to 103,538,113,494.60, 155,169,876,330.54 and 53,171,512,592.52 is: 79,686,762,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,538,113,494.60 : 155,169,876,330.54 = 53,171,512,592.52 : x
  2. Step 2: Convert to fraction form
    103,538,113,494.60/155,169,876,330.54 = 53,171,512,592.52/x
  3. Step 3: Cross multiply
    103,538,113,494.60x = 155,169,876,330.54 × 53,171,512,592.52
  4. Step 4: Simplify right side
    103,538,113,494.60x = 8,250,617,033,289,078,145,024
  5. Step 5: Solve for x
    x = 8,250,617,033,289,078,145,024/103,538,113,494.60
  6. Step 6: Final answer
    x = 79,686,762,244.51

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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.