Home / 82,081,677.60-113,262,757.92-47,285,632.80

Finding the Fourth Proportional to 82,081,677.60, 113,262,757.92 and 47,285,632.80

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Solution

The fourth proportional to 82,081,677.60, 113,262,757.92 and 47,285,632.80 is: 65,248,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,081,677.60 : 113,262,757.92 = 47,285,632.80 : x
  2. Step 2: Convert to fraction form
    82,081,677.60/113,262,757.92 = 47,285,632.80/x
  3. Step 3: Cross multiply
    82,081,677.60x = 113,262,757.92 × 47,285,632.80
  4. Step 4: Simplify right side
    82,081,677.60x = 5,355,701,180,920,412
  5. Step 5: Solve for x
    x = 5,355,701,180,920,412/82,081,677.60
  6. Step 6: Final answer
    x = 65,248,437.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.