Home / 138,003,416.10-206,829,289.35-73,338,200.10

Finding the Fourth Proportional to 138,003,416.10, 206,829,289.35 and 73,338,200.10

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Solution

The fourth proportional to 138,003,416.10, 206,829,289.35 and 73,338,200.10 is: 109,913,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,003,416.10 : 206,829,289.35 = 73,338,200.10 : x
  2. Step 2: Convert to fraction form
    138,003,416.10/206,829,289.35 = 73,338,200.10/x
  3. Step 3: Cross multiply
    138,003,416.10x = 206,829,289.35 × 73,338,200.10
  4. Step 4: Simplify right side
    138,003,416.10x = 15,168,487,808,891,098
  5. Step 5: Solve for x
    x = 15,168,487,808,891,098/138,003,416.10
  6. Step 6: Final answer
    x = 109,913,857.48

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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.