Home / 136,932,650.34-188,971,627.42-75,053,147.46

Finding the Fourth Proportional to 136,932,650.34, 188,971,627.42 and 75,053,147.46

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Solution

The fourth proportional to 136,932,650.34, 188,971,627.42 and 75,053,147.46 is: 103,575,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932,650.34 : 188,971,627.42 = 75,053,147.46 : x
  2. Step 2: Convert to fraction form
    136,932,650.34/188,971,627.42 = 75,053,147.46/x
  3. Step 3: Cross multiply
    136,932,650.34x = 188,971,627.42 × 75,053,147.46
  4. Step 4: Simplify right side
    136,932,650.34x = 14,182,915,418,509,438
  5. Step 5: Solve for x
    x = 14,182,915,418,509,438/136,932,650.34
  6. Step 6: Final answer
    x = 103,575,848.30

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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.