Home / 371,331,782.61-557,016,175.13-141,318,694.05

Finding the Fourth Proportional to 371,331,782.61, 557,016,175.13 and 141,318,694.05

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Solution

The fourth proportional to 371,331,782.61, 557,016,175.13 and 141,318,694.05 is: 211,985,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,331,782.61 : 557,016,175.13 = 141,318,694.05 : x
  2. Step 2: Convert to fraction form
    371,331,782.61/557,016,175.13 = 141,318,694.05/x
  3. Step 3: Cross multiply
    371,331,782.61x = 557,016,175.13 × 141,318,694.05
  4. Step 4: Simplify right side
    371,331,782.61x = 78,716,798,433,391,104
  5. Step 5: Solve for x
    x = 78,716,798,433,391,104/371,331,782.61
  6. Step 6: Final answer
    x = 211,985,082.13

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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.