Home / 126,324,043.60-189,486,065.40-124,623,432.40

Finding the Fourth Proportional to 126,324,043.60, 189,486,065.40 and 124,623,432.40

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Solution

The fourth proportional to 126,324,043.60, 189,486,065.40 and 124,623,432.40 is: 186,935,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,324,043.60 : 189,486,065.40 = 124,623,432.40 : x
  2. Step 2: Convert to fraction form
    126,324,043.60/189,486,065.40 = 124,623,432.40/x
  3. Step 3: Cross multiply
    126,324,043.60x = 189,486,065.40 × 124,623,432.40
  4. Step 4: Simplify right side
    126,324,043.60x = 23,614,403,862,118,880
  5. Step 5: Solve for x
    x = 23,614,403,862,118,880/126,324,043.60
  6. Step 6: Final answer
    x = 186,935,148.60

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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.