Home / 272,450,089.52-408,432,158.28-99,886,691.60

Finding the Fourth Proportional to 272,450,089.52, 408,432,158.28 and 99,886,691.60

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Solution

The fourth proportional to 272,450,089.52, 408,432,158.28 and 99,886,691.60 is: 149,740,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,450,089.52 : 408,432,158.28 = 99,886,691.60 : x
  2. Step 2: Convert to fraction form
    272,450,089.52/408,432,158.28 = 99,886,691.60/x
  3. Step 3: Cross multiply
    272,450,089.52x = 408,432,158.28 × 99,886,691.60
  4. Step 4: Simplify right side
    272,450,089.52x = 40,796,937,033,636,744
  5. Step 5: Solve for x
    x = 40,796,937,033,636,744/272,450,089.52
  6. Step 6: Final answer
    x = 149,740,956.61

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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.