Home / 77,352,632.92-106,748,652.52-42,546,236.72

Finding the Fourth Proportional to 77,352,632.92, 106,748,652.52 and 42,546,236.72

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Solution

The fourth proportional to 77,352,632.92, 106,748,652.52 and 42,546,236.72 is: 58,714,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352,632.92 : 106,748,652.52 = 42,546,236.72 : x
  2. Step 2: Convert to fraction form
    77,352,632.92/106,748,652.52 = 42,546,236.72/x
  3. Step 3: Cross multiply
    77,352,632.92x = 106,748,652.52 × 42,546,236.72
  4. Step 4: Simplify right side
    77,352,632.92x = 4,541,753,439,976,998
  5. Step 5: Solve for x
    x = 4,541,753,439,976,998/77,352,632.92
  6. Step 6: Final answer
    x = 58,714,917.24

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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.