Home / 72,581,387.70-108,746,110.35-47,009,234.10

Finding the Fourth Proportional to 72,581,387.70, 108,746,110.35 and 47,009,234.10

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Solution

The fourth proportional to 72,581,387.70, 108,746,110.35 and 47,009,234.10 is: 70,432,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,387.70 : 108,746,110.35 = 47,009,234.10 : x
  2. Step 2: Convert to fraction form
    72,581,387.70/108,746,110.35 = 47,009,234.10/x
  3. Step 3: Cross multiply
    72,581,387.70x = 108,746,110.35 × 47,009,234.10
  4. Step 4: Simplify right side
    72,581,387.70x = 5,112,071,358,907,583
  5. Step 5: Solve for x
    x = 5,112,071,358,907,583/72,581,387.70
  6. Step 6: Final answer
    x = 70,432,262.61

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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.