Home / 257,472,950.98-386,173,063.95-82,573,257.88

Finding the Fourth Proportional to 257,472,950.98, 386,173,063.95 and 82,573,257.88

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Solution

The fourth proportional to 257,472,950.98, 386,173,063.95 and 82,573,257.88 is: 123,848,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472,950.98 : 386,173,063.95 = 82,573,257.88 : x
  2. Step 2: Convert to fraction form
    257,472,950.98/386,173,063.95 = 82,573,257.88/x
  3. Step 3: Cross multiply
    257,472,950.98x = 386,173,063.95 × 82,573,257.88
  4. Step 4: Simplify right side
    257,472,950.98x = 31,887,567,995,853,080
  5. Step 5: Solve for x
    x = 31,887,567,995,853,080/257,472,950.98
  6. Step 6: Final answer
    x = 123,848,225.12

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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.