Home / 107,428,328.52-161,190,122.20-56,298,190.92

Finding the Fourth Proportional to 107,428,328.52, 161,190,122.20 and 56,298,190.92

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Solution

The fourth proportional to 107,428,328.52, 161,190,122.20 and 56,298,190.92 is: 84,472,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428,328.52 : 161,190,122.20 = 56,298,190.92 : x
  2. Step 2: Convert to fraction form
    107,428,328.52/161,190,122.20 = 56,298,190.92/x
  3. Step 3: Cross multiply
    107,428,328.52x = 161,190,122.20 × 56,298,190.92
  4. Step 4: Simplify right side
    107,428,328.52x = 9,074,712,274,033,730
  5. Step 5: Solve for x
    x = 9,074,712,274,033,730/107,428,328.52
  6. Step 6: Final answer
    x = 84,472,246.74

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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.