Home / 126,425,836.32-189,656,802.80-38,994,712.48

Finding the Fourth Proportional to 126,425,836.32, 189,656,802.80 and 38,994,712.48

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Solution

The fourth proportional to 126,425,836.32, 189,656,802.80 and 38,994,712.48 is: 58,497,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,425,836.32 : 189,656,802.80 = 38,994,712.48 : x
  2. Step 2: Convert to fraction form
    126,425,836.32/189,656,802.80 = 38,994,712.48/x
  3. Step 3: Cross multiply
    126,425,836.32x = 189,656,802.80 × 38,994,712.48
  4. Step 4: Simplify right side
    126,425,836.32x = 7,395,612,495,062,059
  5. Step 5: Solve for x
    x = 7,395,612,495,062,059/126,425,836.32
  6. Step 6: Final answer
    x = 58,497,635.53

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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.