Home / 77,352,633.92-106,748,653.90-42,546,237.72

Finding the Fourth Proportional to 77,352,633.92, 106,748,653.90 and 42,546,237.72

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Solution

The fourth proportional to 77,352,633.92, 106,748,653.90 and 42,546,237.72 is: 58,714,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352,633.92 : 106,748,653.90 = 42,546,237.72 : x
  2. Step 2: Convert to fraction form
    77,352,633.92/106,748,653.90 = 42,546,237.72/x
  3. Step 3: Cross multiply
    77,352,633.92x = 106,748,653.90 × 42,546,237.72
  4. Step 4: Simplify right side
    77,352,633.92x = 4,541,753,605,119,405
  5. Step 5: Solve for x
    x = 4,541,753,605,119,405/77,352,633.92
  6. Step 6: Final answer
    x = 58,714,918.61

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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.