Home / 257,731,972.49-386,634,275.10-82,796,347.82

Finding the Fourth Proportional to 257,731,972.49, 386,634,275.10 and 82,796,347.82

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Solution

The fourth proportional to 257,731,972.49, 386,634,275.10 and 82,796,347.82 is: 124,206,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,731,972.49 : 386,634,275.10 = 82,796,347.82 : x
  2. Step 2: Convert to fraction form
    257,731,972.49/386,634,275.10 = 82,796,347.82/x
  3. Step 3: Cross multiply
    257,731,972.49x = 386,634,275.10 × 82,796,347.82
  4. Step 4: Simplify right side
    257,731,972.49x = 32,011,905,920,313,164
  5. Step 5: Solve for x
    x = 32,011,905,920,313,164/257,731,972.49
  6. Step 6: Final answer
    x = 124,206,188.36

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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.