Home / 126,144,047.20-189,216,070.80-110,523,618.40

Finding the Fourth Proportional to 126,144,047.20, 189,216,070.80 and 110,523,618.40

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Solution

The fourth proportional to 126,144,047.20, 189,216,070.80 and 110,523,618.40 is: 165,785,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,144,047.20 : 189,216,070.80 = 110,523,618.40 : x
  2. Step 2: Convert to fraction form
    126,144,047.20/189,216,070.80 = 110,523,618.40/x
  3. Step 3: Cross multiply
    126,144,047.20x = 189,216,070.80 × 110,523,618.40
  4. Step 4: Simplify right side
    126,144,047.20x = 20,912,844,804,246,584
  5. Step 5: Solve for x
    x = 20,912,844,804,246,584/126,144,047.20
  6. Step 6: Final answer
    x = 165,785,427.60

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1.5x scale

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.