Home / 71,533,017.68-98,717,948.78-40,176,592.38

Finding the Fourth Proportional to 71,533,017.68, 98,717,948.78 and 40,176,592.38

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Solution

The fourth proportional to 71,533,017.68, 98,717,948.78 and 40,176,592.38 is: 55,445,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533,017.68 : 98,717,948.78 = 40,176,592.38 : x
  2. Step 2: Convert to fraction form
    71,533,017.68/98,717,948.78 = 40,176,592.38/x
  3. Step 3: Cross multiply
    71,533,017.68x = 98,717,948.78 × 40,176,592.38
  4. Step 4: Simplify right side
    71,533,017.68x = 3,966,150,788,522,896
  5. Step 5: Solve for x
    x = 3,966,150,788,522,896/71,533,017.68
  6. Step 6: Final answer
    x = 55,445,036.68

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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.