Home / 138,674,059.20-207,812,023.20-101,996,222.40

Finding the Fourth Proportional to 138,674,059.20, 207,812,023.20 and 101,996,222.40

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Solution

The fourth proportional to 138,674,059.20, 207,812,023.20 and 101,996,222.40 is: 152,847,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,674,059.20 : 207,812,023.20 = 101,996,222.40 : x
  2. Step 2: Convert to fraction form
    138,674,059.20/207,812,023.20 = 101,996,222.40/x
  3. Step 3: Cross multiply
    138,674,059.20x = 207,812,023.20 × 101,996,222.40
  4. Step 4: Simplify right side
    138,674,059.20x = 21,196,041,335,701,160
  5. Step 5: Solve for x
    x = 21,196,041,335,701,160/138,674,059.20
  6. Step 6: Final answer
    x = 152,847,918.77

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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.