Home / 126,025,698.20-189,038,547.30-30,287,586.20

Finding the Fourth Proportional to 126,025,698.20, 189,038,547.30 and 30,287,586.20

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Solution

The fourth proportional to 126,025,698.20, 189,038,547.30 and 30,287,586.20 is: 45,431,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,025,698.20 : 189,038,547.30 = 30,287,586.20 : x
  2. Step 2: Convert to fraction form
    126,025,698.20/189,038,547.30 = 30,287,586.20/x
  3. Step 3: Cross multiply
    126,025,698.20x = 189,038,547.30 × 30,287,586.20
  4. Step 4: Simplify right side
    126,025,698.20x = 5,725,521,296,471,527
  5. Step 5: Solve for x
    x = 5,725,521,296,471,527/126,025,698.20
  6. Step 6: Final answer
    x = 45,431,379.30

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Similar ratio
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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.