Home / 261,229,935.18-391,845,708.54-64,493,371.02

Finding the Fourth Proportional to 261,229,935.18, 391,845,708.54 and 64,493,371.02

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Solution

The fourth proportional to 261,229,935.18, 391,845,708.54 and 64,493,371.02 is: 96,740,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,229,935.18 : 391,845,708.54 = 64,493,371.02 : x
  2. Step 2: Convert to fraction form
    261,229,935.18/391,845,708.54 = 64,493,371.02/x
  3. Step 3: Cross multiply
    261,229,935.18x = 391,845,708.54 × 64,493,371.02
  4. Step 4: Simplify right side
    261,229,935.18x = 25,271,450,663,465,004
  5. Step 5: Solve for x
    x = 25,271,450,663,465,004/261,229,935.18
  6. Step 6: Final answer
    x = 96,740,255.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.