Home / 138,602,446.30-207,903,669.45-132,225,154.30

Finding the Fourth Proportional to 138,602,446.30, 207,903,669.45 and 132,225,154.30

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Solution

The fourth proportional to 138,602,446.30, 207,903,669.45 and 132,225,154.30 is: 198,337,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,602,446.30 : 207,903,669.45 = 132,225,154.30 : x
  2. Step 2: Convert to fraction form
    138,602,446.30/207,903,669.45 = 132,225,154.30/x
  3. Step 3: Cross multiply
    138,602,446.30x = 207,903,669.45 × 132,225,154.30
  4. Step 4: Simplify right side
    138,602,446.30x = 27,490,094,772,562,444
  5. Step 5: Solve for x
    x = 27,490,094,772,562,444/138,602,446.30
  6. Step 6: Final answer
    x = 198,337,731.45

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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.