Home / 102,743,869.16-141,792,909.54-56,958,781.16

Finding the Fourth Proportional to 102,743,869.16, 141,792,909.54 and 56,958,781.16

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Solution

The fourth proportional to 102,743,869.16, 141,792,909.54 and 56,958,781.16 is: 78,606,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,743,869.16 : 141,792,909.54 = 56,958,781.16 : x
  2. Step 2: Convert to fraction form
    102,743,869.16/141,792,909.54 = 56,958,781.16/x
  3. Step 3: Cross multiply
    102,743,869.16x = 141,792,909.54 × 56,958,781.16
  4. Step 4: Simplify right side
    102,743,869.16x = 8,076,351,304,528,535
  5. Step 5: Solve for x
    x = 8,076,351,304,528,535/102,743,869.16
  6. Step 6: Final answer
    x = 78,606,649.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.