Home / 107,428,327.76-161,190,121.08-56,298,190.16

Finding the Fourth Proportional to 107,428,327.76, 161,190,121.08 and 56,298,190.16

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Solution

The fourth proportional to 107,428,327.76, 161,190,121.08 and 56,298,190.16 is: 84,472,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428,327.76 : 161,190,121.08 = 56,298,190.16 : x
  2. Step 2: Convert to fraction form
    107,428,327.76/161,190,121.08 = 56,298,190.16/x
  3. Step 3: Cross multiply
    107,428,327.76x = 161,190,121.08 × 56,298,190.16
  4. Step 4: Simplify right side
    107,428,327.76x = 9,074,712,088,475,264
  5. Step 5: Solve for x
    x = 9,074,712,088,475,264/107,428,327.76
  6. Step 6: Final answer
    x = 84,472,245.61

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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.