Home / 129,482,160.59-178,683,269.96-70,743,561.50

Finding the Fourth Proportional to 129,482,160.59, 178,683,269.96 and 70,743,561.50

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Solution

The fourth proportional to 129,482,160.59, 178,683,269.96 and 70,743,561.50 is: 97,624,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482,160.59 : 178,683,269.96 = 70,743,561.50 : x
  2. Step 2: Convert to fraction form
    129,482,160.59/178,683,269.96 = 70,743,561.50/x
  3. Step 3: Cross multiply
    129,482,160.59x = 178,683,269.96 × 70,743,561.50
  4. Step 4: Simplify right side
    129,482,160.59x = 12,640,690,896,189,230
  5. Step 5: Solve for x
    x = 12,640,690,896,189,230/129,482,160.59
  6. Step 6: Final answer
    x = 97,624,961.15

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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.