Home / 240,408,470.42-360,520,781.39-131,175,256.91

Finding the Fourth Proportional to 240,408,470.42, 360,520,781.39 and 131,175,256.91

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Solution

The fourth proportional to 240,408,470.42, 360,520,781.39 and 131,175,256.91 is: 196,712,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,408,470.42 : 360,520,781.39 = 131,175,256.91 : x
  2. Step 2: Convert to fraction form
    240,408,470.42/360,520,781.39 = 131,175,256.91/x
  3. Step 3: Cross multiply
    240,408,470.42x = 360,520,781.39 × 131,175,256.91
  4. Step 4: Simplify right side
    240,408,470.42x = 47,291,406,117,768,712
  5. Step 5: Solve for x
    x = 47,291,406,117,768,712/240,408,470.42
  6. Step 6: Final answer
    x = 196,712,728.28

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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.