Home / 141,345,891.68-212,023,561.43-39,101,367.20

Finding the Fourth Proportional to 141,345,891.68, 212,023,561.43 and 39,101,367.20

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Solution

The fourth proportional to 141,345,891.68, 212,023,561.43 and 39,101,367.20 is: 58,653,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,345,891.68 : 212,023,561.43 = 39,101,367.20 : x
  2. Step 2: Convert to fraction form
    141,345,891.68/212,023,561.43 = 39,101,367.20/x
  3. Step 3: Cross multiply
    141,345,891.68x = 212,023,561.43 × 39,101,367.20
  4. Step 4: Simplify right side
    141,345,891.68x = 8,290,411,129,563,823
  5. Step 5: Solve for x
    x = 8,290,411,129,563,823/141,345,891.68
  6. Step 6: Final answer
    x = 58,653,357.60

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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.