Home / 141,720,002.60-212,580,003.90-129,626,767.40

Finding the Fourth Proportional to 141,720,002.60, 212,580,003.90 and 129,626,767.40

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Solution

The fourth proportional to 141,720,002.60, 212,580,003.90 and 129,626,767.40 is: 194,440,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,720,002.60 : 212,580,003.90 = 129,626,767.40 : x
  2. Step 2: Convert to fraction form
    141,720,002.60/212,580,003.90 = 129,626,767.40/x
  3. Step 3: Cross multiply
    141,720,002.60x = 212,580,003.90 × 129,626,767.40
  4. Step 4: Simplify right side
    141,720,002.60x = 27,556,058,719,436,396
  5. Step 5: Solve for x
    x = 27,556,058,719,436,396/141,720,002.60
  6. Step 6: Final answer
    x = 194,440,151.10

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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.