Home / 118,900,605.40-178,350,908.10-38,129,738.20

Finding the Fourth Proportional to 118,900,605.40, 178,350,908.10 and 38,129,738.20

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Solution

The fourth proportional to 118,900,605.40, 178,350,908.10 and 38,129,738.20 is: 57,194,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,900,605.40 : 178,350,908.10 = 38,129,738.20 : x
  2. Step 2: Convert to fraction form
    118,900,605.40/178,350,908.10 = 38,129,738.20/x
  3. Step 3: Cross multiply
    118,900,605.40x = 178,350,908.10 × 38,129,738.20
  4. Step 4: Simplify right side
    118,900,605.40x = 6,800,473,433,585,260
  5. Step 5: Solve for x
    x = 6,800,473,433,585,260/118,900,605.40
  6. Step 6: Final answer
    x = 57,194,607.30

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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.