Home / 71,532,982.73-98,717,900.61-40,176,557.47

Finding the Fourth Proportional to 71,532,982.73, 98,717,900.61 and 40,176,557.47

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Solution

The fourth proportional to 71,532,982.73, 98,717,900.61 and 40,176,557.47 is: 55,444,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,532,982.73 : 98,717,900.61 = 40,176,557.47 : x
  2. Step 2: Convert to fraction form
    71,532,982.73/98,717,900.61 = 40,176,557.47/x
  3. Step 3: Cross multiply
    71,532,982.73x = 98,717,900.61 × 40,176,557.47
  4. Step 4: Simplify right side
    71,532,982.73x = 3,966,145,407,495,977.50
  5. Step 5: Solve for x
    x = 3,966,145,407,495,977.50/71,532,982.73
  6. Step 6: Final answer
    x = 55,444,988.54

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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.