Home / 129,482,059.26-178,683,156.47-70,743,463.14

Finding the Fourth Proportional to 129,482,059.26, 178,683,156.47 and 70,743,463.14

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Solution

The fourth proportional to 129,482,059.26, 178,683,156.47 and 70,743,463.14 is: 97,624,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482,059.26 : 178,683,156.47 = 70,743,463.14 : x
  2. Step 2: Convert to fraction form
    129,482,059.26/178,683,156.47 = 70,743,463.14/x
  3. Step 3: Cross multiply
    129,482,059.26x = 178,683,156.47 × 70,743,463.14
  4. Step 4: Simplify right side
    129,482,059.26x = 12,640,665,293,120,580
  5. Step 5: Solve for x
    x = 12,640,665,293,120,580/129,482,059.26
  6. Step 6: Final answer
    x = 97,624,839.81

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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.