Home / 161,715,807.20-242,573,710.80-157,464,279.20

Finding the Fourth Proportional to 161,715,807.20, 242,573,710.80 and 157,464,279.20

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Solution

The fourth proportional to 161,715,807.20, 242,573,710.80 and 157,464,279.20 is: 236,196,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715,807.20 : 242,573,710.80 = 157,464,279.20 : x
  2. Step 2: Convert to fraction form
    161,715,807.20/242,573,710.80 = 157,464,279.20/x
  3. Step 3: Cross multiply
    161,715,807.20x = 242,573,710.80 × 157,464,279.20
  4. Step 4: Simplify right side
    161,715,807.20x = 38,196,694,523,991,256
  5. Step 5: Solve for x
    x = 38,196,694,523,991,256/161,715,807.20
  6. Step 6: Final answer
    x = 236,196,418.80

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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.