Home / 272,088,000.80-408,132,001.20-149,218,841.60

Finding the Fourth Proportional to 272,088,000.80, 408,132,001.20 and 149,218,841.60

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Solution

The fourth proportional to 272,088,000.80, 408,132,001.20 and 149,218,841.60 is: 223,828,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,088,000.80 : 408,132,001.20 = 149,218,841.60 : x
  2. Step 2: Convert to fraction form
    272,088,000.80/408,132,001.20 = 149,218,841.60/x
  3. Step 3: Cross multiply
    272,088,000.80x = 408,132,001.20 × 149,218,841.60
  4. Step 4: Simplify right side
    272,088,000.80x = 60,900,984,438,953,808
  5. Step 5: Solve for x
    x = 60,900,984,438,953,808/272,088,000.80
  6. Step 6: Final answer
    x = 223,828,262.40

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1.5x scale

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.