Home / 71,727,721.50-98,984,278.71-45,973,609.50

Finding the Fourth Proportional to 71,727,721.50, 98,984,278.71 and 45,973,609.50

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Solution

The fourth proportional to 71,727,721.50, 98,984,278.71 and 45,973,609.50 is: 63,443,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,727,721.50 : 98,984,278.71 = 45,973,609.50 : x
  2. Step 2: Convert to fraction form
    71,727,721.50/98,984,278.71 = 45,973,609.50/x
  3. Step 3: Cross multiply
    71,727,721.50x = 98,984,278.71 × 45,973,609.50
  4. Step 4: Simplify right side
    71,727,721.50x = 4,550,664,576,052,703
  5. Step 5: Solve for x
    x = 4,550,664,576,052,703/71,727,721.50
  6. Step 6: Final answer
    x = 63,443,595.88

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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.