Home / 399,948,561.12-599,798,785.28-141,103,250.40

Finding the Fourth Proportional to 399,948,561.12, 599,798,785.28 and 141,103,250.40

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Solution

The fourth proportional to 399,948,561.12, 599,798,785.28 and 141,103,250.40 is: 211,611,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,948,561.12 : 599,798,785.28 = 141,103,250.40 : x
  2. Step 2: Convert to fraction form
    399,948,561.12/599,798,785.28 = 141,103,250.40/x
  3. Step 3: Cross multiply
    399,948,561.12x = 599,798,785.28 × 141,103,250.40
  4. Step 4: Simplify right side
    399,948,561.12x = 84,633,558,188,979,680
  5. Step 5: Solve for x
    x = 84,633,558,188,979,680/399,948,561.12
  6. Step 6: Final answer
    x = 211,611,108.07

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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.