Home / 76,165,872.62-114,169,077.49-31,875,535.40

Finding the Fourth Proportional to 76,165,872.62, 114,169,077.49 and 31,875,535.40

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Solution

The fourth proportional to 76,165,872.62, 114,169,077.49 and 31,875,535.40 is: 47,779,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165,872.62 : 114,169,077.49 = 31,875,535.40 : x
  2. Step 2: Convert to fraction form
    76,165,872.62/114,169,077.49 = 31,875,535.40/x
  3. Step 3: Cross multiply
    76,165,872.62x = 114,169,077.49 × 31,875,535.40
  4. Step 4: Simplify right side
    76,165,872.62x = 3,639,200,470,752,726.50
  5. Step 5: Solve for x
    x = 3,639,200,470,752,726.50/76,165,872.62
  6. Step 6: Final answer
    x = 47,779,935.37

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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.