Home / 68,237,449.38-94,167,543.78-38,868,770.70

Finding the Fourth Proportional to 68,237,449.38, 94,167,543.78 and 38,868,770.70

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Solution

The fourth proportional to 68,237,449.38, 94,167,543.78 and 38,868,770.70 is: 53,638,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,237,449.38 : 94,167,543.78 = 38,868,770.70 : x
  2. Step 2: Convert to fraction form
    68,237,449.38/94,167,543.78 = 38,868,770.70/x
  3. Step 3: Cross multiply
    68,237,449.38x = 94,167,543.78 × 38,868,770.70
  4. Step 4: Simplify right side
    68,237,449.38x = 3,660,176,666,567,031.50
  5. Step 5: Solve for x
    x = 3,660,176,666,567,031.50/68,237,449.38
  6. Step 6: Final answer
    x = 53,638,825.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.