Home / 71,532,989.74-98,717,910.28-40,176,564.48

Finding the Fourth Proportional to 71,532,989.74, 98,717,910.28 and 40,176,564.48

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Solution

The fourth proportional to 71,532,989.74, 98,717,910.28 and 40,176,564.48 is: 55,444,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,532,989.74 : 98,717,910.28 = 40,176,564.48 : x
  2. Step 2: Convert to fraction form
    71,532,989.74/98,717,910.28 = 40,176,564.48/x
  3. Step 3: Cross multiply
    71,532,989.74x = 98,717,910.28 × 40,176,564.48
  4. Step 4: Simplify right side
    71,532,989.74x = 3,966,146,487,695,274.50
  5. Step 5: Solve for x
    x = 3,966,146,487,695,274.50/71,532,989.74
  6. Step 6: Final answer
    x = 55,444,998.20

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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.