Home / 51,912,182.88-77,868,443.52-19,555,400.16

Finding the Fourth Proportional to 51,912,182.88, 77,868,443.52 and 19,555,400.16

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Solution

The fourth proportional to 51,912,182.88, 77,868,443.52 and 19,555,400.16 is: 29,333,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,912,182.88 : 77,868,443.52 = 19,555,400.16 : x
  2. Step 2: Convert to fraction form
    51,912,182.88/77,868,443.52 = 19,555,400.16/x
  3. Step 3: Cross multiply
    51,912,182.88x = 77,868,443.52 × 19,555,400.16
  4. Step 4: Simplify right side
    51,912,182.88x = 1,522,748,572,869,959
  5. Step 5: Solve for x
    x = 1,522,748,572,869,959/51,912,182.88
  6. Step 6: Final answer
    x = 29,333,163.98

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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.