Home / 157,464,658.70-236,315,086.05-80,748,197.90

Finding the Fourth Proportional to 157,464,658.70, 236,315,086.05 and 80,748,197.90

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Solution

The fourth proportional to 157,464,658.70, 236,315,086.05 and 80,748,197.90 is: 121,182,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,658.70 : 236,315,086.05 = 80,748,197.90 : x
  2. Step 2: Convert to fraction form
    157,464,658.70/236,315,086.05 = 80,748,197.90/x
  3. Step 3: Cross multiply
    157,464,658.70x = 236,315,086.05 × 80,748,197.90
  4. Step 4: Simplify right side
    157,464,658.70x = 19,082,017,335,120,932
  5. Step 5: Solve for x
    x = 19,082,017,335,120,932/157,464,658.70
  6. Step 6: Final answer
    x = 121,182,857.75

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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.