Home / 141,623,972.48-195,447,113.28-78,900,034.88

Finding the Fourth Proportional to 141,623,972.48, 195,447,113.28 and 78,900,034.88

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Solution

The fourth proportional to 141,623,972.48, 195,447,113.28 and 78,900,034.88 is: 108,885,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,623,972.48 : 195,447,113.28 = 78,900,034.88 : x
  2. Step 2: Convert to fraction form
    141,623,972.48/195,447,113.28 = 78,900,034.88/x
  3. Step 3: Cross multiply
    141,623,972.48x = 195,447,113.28 × 78,900,034.88
  4. Step 4: Simplify right side
    141,623,972.48x = 15,420,784,054,987,310
  5. Step 5: Solve for x
    x = 15,420,784,054,987,310/141,623,972.48
  6. Step 6: Final answer
    x = 108,885,408.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.