Home / 161,570,520.52-242,389,828.72-52,387,177.75

Finding the Fourth Proportional to 161,570,520.52, 242,389,828.72 and 52,387,177.75

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Solution

The fourth proportional to 161,570,520.52, 242,389,828.72 and 52,387,177.75 is: 78,591,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,570,520.52 : 242,389,828.72 = 52,387,177.75 : x
  2. Step 2: Convert to fraction form
    161,570,520.52/242,389,828.72 = 52,387,177.75/x
  3. Step 3: Cross multiply
    161,570,520.52x = 242,389,828.72 × 52,387,177.75
  4. Step 4: Simplify right side
    161,570,520.52x = 12,698,119,041,406,204
  5. Step 5: Solve for x
    x = 12,698,119,041,406,204/161,570,520.52
  6. Step 6: Final answer
    x = 78,591,806.23

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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.