Home / 141,873,670.30-212,810,505.45-39,637,543.90

Finding the Fourth Proportional to 141,873,670.30, 212,810,505.45 and 39,637,543.90

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Solution

The fourth proportional to 141,873,670.30, 212,810,505.45 and 39,637,543.90 is: 59,456,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,873,670.30 : 212,810,505.45 = 39,637,543.90 : x
  2. Step 2: Convert to fraction form
    141,873,670.30/212,810,505.45 = 39,637,543.90/x
  3. Step 3: Cross multiply
    141,873,670.30x = 212,810,505.45 × 39,637,543.90
  4. Step 4: Simplify right side
    141,873,670.30x = 8,435,285,752,155,563
  5. Step 5: Solve for x
    x = 8,435,285,752,155,563/141,873,670.30
  6. Step 6: Final answer
    x = 59,456,315.85

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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.