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Finding the Fourth Proportional to 116,593,781.80, 174,890,672.70 and 35,818,767.40

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Solution

The fourth proportional to 116,593,781.80, 174,890,672.70 and 35,818,767.40 is: 53,728,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,593,781.80 : 174,890,672.70 = 35,818,767.40 : x
  2. Step 2: Convert to fraction form
    116,593,781.80/174,890,672.70 = 35,818,767.40/x
  3. Step 3: Cross multiply
    116,593,781.80x = 174,890,672.70 × 35,818,767.40
  4. Step 4: Simplify right side
    116,593,781.80x = 6,264,368,325,870,829
  5. Step 5: Solve for x
    x = 6,264,368,325,870,829/116,593,781.80
  6. Step 6: Final answer
    x = 53,728,151.10

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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.