Home / 83,542,514.63-125,339,428.17-39,878,989.97

Finding the Fourth Proportional to 83,542,514.63, 125,339,428.17 and 39,878,989.97

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Solution

The fourth proportional to 83,542,514.63, 125,339,428.17 and 39,878,989.97 is: 59,830,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542,514.63 : 125,339,428.17 = 39,878,989.97 : x
  2. Step 2: Convert to fraction form
    83,542,514.63/125,339,428.17 = 39,878,989.97/x
  3. Step 3: Cross multiply
    83,542,514.63x = 125,339,428.17 × 39,878,989.97
  4. Step 4: Simplify right side
    83,542,514.63x = 4,998,409,798,210,269
  5. Step 5: Solve for x
    x = 4,998,409,798,210,269/83,542,514.63
  6. Step 6: Final answer
    x = 59,830,731.94

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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.