Home / 103,538,113,463.35-155,169,876,283.53-53,171,512,561.27

Finding the Fourth Proportional to 103,538,113,463.35, 155,169,876,283.53 and 53,171,512,561.27

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Solution

The fourth proportional to 103,538,113,463.35, 155,169,876,283.53 and 53,171,512,561.27 is: 79,686,762,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,538,113,463.35 : 155,169,876,283.53 = 53,171,512,561.27 : x
  2. Step 2: Convert to fraction form
    103,538,113,463.35/155,169,876,283.53 = 53,171,512,561.27/x
  3. Step 3: Cross multiply
    103,538,113,463.35x = 155,169,876,283.53 × 53,171,512,561.27
  4. Step 4: Simplify right side
    103,538,113,463.35x = 8,250,617,025,940,426,850,304
  5. Step 5: Solve for x
    x = 8,250,617,025,940,426,850,304/103,538,113,463.35
  6. Step 6: Final answer
    x = 79,686,762,197.58

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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.