Home / 147,078,363.60-220,617,545.40-50,143,525.20

Finding the Fourth Proportional to 147,078,363.60, 220,617,545.40 and 50,143,525.20

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Solution

The fourth proportional to 147,078,363.60, 220,617,545.40 and 50,143,525.20 is: 75,215,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,078,363.60 : 220,617,545.40 = 50,143,525.20 : x
  2. Step 2: Convert to fraction form
    147,078,363.60/220,617,545.40 = 50,143,525.20/x
  3. Step 3: Cross multiply
    147,078,363.60x = 220,617,545.40 × 50,143,525.20
  4. Step 4: Simplify right side
    147,078,363.60x = 11,062,541,447,327,046
  5. Step 5: Solve for x
    x = 11,062,541,447,327,046/147,078,363.60
  6. Step 6: Final answer
    x = 75,215,287.80

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1.5x scale

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.