Home / 126,264,314.80-189,396,472.20-72,367,303.60

Finding the Fourth Proportional to 126,264,314.80, 189,396,472.20 and 72,367,303.60

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Solution

The fourth proportional to 126,264,314.80, 189,396,472.20 and 72,367,303.60 is: 108,550,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,264,314.80 : 189,396,472.20 = 72,367,303.60 : x
  2. Step 2: Convert to fraction form
    126,264,314.80/189,396,472.20 = 72,367,303.60/x
  3. Step 3: Cross multiply
    126,264,314.80x = 189,396,472.20 × 72,367,303.60
  4. Step 4: Simplify right side
    126,264,314.80x = 13,706,112,004,466,358
  5. Step 5: Solve for x
    x = 13,706,112,004,466,358/126,264,314.80
  6. Step 6: Final answer
    x = 108,550,955.40

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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.