Home / 126,016,001.40-189,024,002.10-120,641,230.20

Finding the Fourth Proportional to 126,016,001.40, 189,024,002.10 and 120,641,230.20

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Solution

The fourth proportional to 126,016,001.40, 189,024,002.10 and 120,641,230.20 is: 180,961,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016,001.40 : 189,024,002.10 = 120,641,230.20 : x
  2. Step 2: Convert to fraction form
    126,016,001.40/189,024,002.10 = 120,641,230.20/x
  3. Step 3: Cross multiply
    126,016,001.40x = 189,024,002.10 × 120,641,230.20
  4. Step 4: Simplify right side
    126,016,001.40x = 22,804,088,150,671,384
  5. Step 5: Solve for x
    x = 22,804,088,150,671,384/126,016,001.40
  6. Step 6: Final answer
    x = 180,961,845.30

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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.