Home / 153,539,835.12-230,350,077.72-55,181,467.08

Finding the Fourth Proportional to 153,539,835.12, 230,350,077.72 and 55,181,467.08

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Solution

The fourth proportional to 153,539,835.12, 230,350,077.72 and 55,181,467.08 is: 82,786,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,539,835.12 : 230,350,077.72 = 55,181,467.08 : x
  2. Step 2: Convert to fraction form
    153,539,835.12/230,350,077.72 = 55,181,467.08/x
  3. Step 3: Cross multiply
    153,539,835.12x = 230,350,077.72 × 55,181,467.08
  4. Step 4: Simplify right side
    153,539,835.12x = 12,711,055,230,581,620
  5. Step 5: Solve for x
    x = 12,711,055,230,581,620/153,539,835.12
  6. Step 6: Final answer
    x = 82,786,693.24

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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.