Home / 161,527,548.80-242,291,323.20-65,789,436.80

Finding the Fourth Proportional to 161,527,548.80, 242,291,323.20 and 65,789,436.80

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Solution

The fourth proportional to 161,527,548.80, 242,291,323.20 and 65,789,436.80 is: 98,684,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,527,548.80 : 242,291,323.20 = 65,789,436.80 : x
  2. Step 2: Convert to fraction form
    161,527,548.80/242,291,323.20 = 65,789,436.80/x
  3. Step 3: Cross multiply
    161,527,548.80x = 242,291,323.20 × 65,789,436.80
  4. Step 4: Simplify right side
    161,527,548.80x = 15,940,209,694,854,772
  5. Step 5: Solve for x
    x = 15,940,209,694,854,772/161,527,548.80
  6. Step 6: Final answer
    x = 98,684,155.20

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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.