Home / 411,563,402.88-617,215,033.92-135,169,079.04

Finding the Fourth Proportional to 411,563,402.88, 617,215,033.92 and 135,169,079.04

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Solution

The fourth proportional to 411,563,402.88, 617,215,033.92 and 135,169,079.04 is: 202,710,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,563,402.88 : 617,215,033.92 = 135,169,079.04 : x
  2. Step 2: Convert to fraction form
    411,563,402.88/617,215,033.92 = 135,169,079.04/x
  3. Step 3: Cross multiply
    411,563,402.88x = 617,215,033.92 × 135,169,079.04
  4. Step 4: Simplify right side
    411,563,402.88x = 83,428,387,704,608,752
  5. Step 5: Solve for x
    x = 83,428,387,704,608,752/411,563,402.88
  6. Step 6: Final answer
    x = 202,710,899.76

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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.