Home / 141,768,065.80-212,652,098.70-84,230,720.20

Finding the Fourth Proportional to 141,768,065.80, 212,652,098.70 and 84,230,720.20

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Solution

The fourth proportional to 141,768,065.80, 212,652,098.70 and 84,230,720.20 is: 126,346,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,768,065.80 : 212,652,098.70 = 84,230,720.20 : x
  2. Step 2: Convert to fraction form
    141,768,065.80/212,652,098.70 = 84,230,720.20/x
  3. Step 3: Cross multiply
    141,768,065.80x = 212,652,098.70 × 84,230,720.20
  4. Step 4: Simplify right side
    141,768,065.80x = 17,911,839,425,542,484
  5. Step 5: Solve for x
    x = 17,911,839,425,542,484/141,768,065.80
  6. Step 6: Final answer
    x = 126,346,080.30

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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.