Home / 272,243,079.90-408,524,052.15-99,737,331.30

Finding the Fourth Proportional to 272,243,079.90, 408,524,052.15 and 99,737,331.30

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Solution

The fourth proportional to 272,243,079.90, 408,524,052.15 and 99,737,331.30 is: 149,664,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,243,079.90 : 408,524,052.15 = 99,737,331.30 : x
  2. Step 2: Convert to fraction form
    272,243,079.90/408,524,052.15 = 99,737,331.30/x
  3. Step 3: Cross multiply
    272,243,079.90x = 408,524,052.15 × 99,737,331.30
  4. Step 4: Simplify right side
    272,243,079.90x = 40,745,098,733,303,024
  5. Step 5: Solve for x
    x = 40,745,098,733,303,024/272,243,079.90
  6. Step 6: Final answer
    x = 149,664,405.60

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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.