Home / 126,292,308.47-189,445,253.56-40,037,441.27

Finding the Fourth Proportional to 126,292,308.47, 189,445,253.56 and 40,037,441.27

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Solution

The fourth proportional to 126,292,308.47, 189,445,253.56 and 40,037,441.27 is: 60,058,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,292,308.47 : 189,445,253.56 = 40,037,441.27 : x
  2. Step 2: Convert to fraction form
    126,292,308.47/189,445,253.56 = 40,037,441.27/x
  3. Step 3: Cross multiply
    126,292,308.47x = 189,445,253.56 × 40,037,441.27
  4. Step 4: Simplify right side
    126,292,308.47x = 7,584,903,212,241,439
  5. Step 5: Solve for x
    x = 7,584,903,212,241,439/126,292,308.47
  6. Step 6: Final answer
    x = 60,058,314.75

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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.