Home / 71,139,666.72-98,172,805.60-38,544,618.72

Finding the Fourth Proportional to 71,139,666.72, 98,172,805.60 and 38,544,618.72

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Solution

The fourth proportional to 71,139,666.72, 98,172,805.60 and 38,544,618.72 is: 53,191,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,139,666.72 : 98,172,805.60 = 38,544,618.72 : x
  2. Step 2: Convert to fraction form
    71,139,666.72/98,172,805.60 = 38,544,618.72/x
  3. Step 3: Cross multiply
    71,139,666.72x = 98,172,805.60 × 38,544,618.72
  4. Step 4: Simplify right side
    71,139,666.72x = 3,784,033,360,524,680.50
  5. Step 5: Solve for x
    x = 3,784,033,360,524,680.50/71,139,666.72
  6. Step 6: Final answer
    x = 53,191,609.34

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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.