Home / 138,602,446.80-207,903,670.20-132,225,154.80

Finding the Fourth Proportional to 138,602,446.80, 207,903,670.20 and 132,225,154.80

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Solution

The fourth proportional to 138,602,446.80, 207,903,670.20 and 132,225,154.80 is: 198,337,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,602,446.80 : 207,903,670.20 = 132,225,154.80 : x
  2. Step 2: Convert to fraction form
    138,602,446.80/207,903,670.20 = 132,225,154.80/x
  3. Step 3: Cross multiply
    138,602,446.80x = 207,903,670.20 × 132,225,154.80
  4. Step 4: Simplify right side
    138,602,446.80x = 27,490,094,975,683,144
  5. Step 5: Solve for x
    x = 27,490,094,975,683,144/138,602,446.80
  6. Step 6: Final answer
    x = 198,337,732.20

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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.