Home / 411,563,407.88-617,215,041.42-135,169,084.04

Finding the Fourth Proportional to 411,563,407.88, 617,215,041.42 and 135,169,084.04

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Solution

The fourth proportional to 411,563,407.88, 617,215,041.42 and 135,169,084.04 is: 202,710,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,563,407.88 : 617,215,041.42 = 135,169,084.04 : x
  2. Step 2: Convert to fraction form
    411,563,407.88/617,215,041.42 = 135,169,084.04/x
  3. Step 3: Cross multiply
    411,563,407.88x = 617,215,041.42 × 135,169,084.04
  4. Step 4: Simplify right side
    411,563,407.88x = 83,428,391,804,452,048
  5. Step 5: Solve for x
    x = 83,428,391,804,452,048/411,563,407.88
  6. Step 6: Final answer
    x = 202,710,907.26

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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.