Home / 126,317,612.10-189,476,418.15-124,617,000.90

Finding the Fourth Proportional to 126,317,612.10, 189,476,418.15 and 124,617,000.90

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Solution

The fourth proportional to 126,317,612.10, 189,476,418.15 and 124,617,000.90 is: 186,925,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317,612.10 : 189,476,418.15 = 124,617,000.90 : x
  2. Step 2: Convert to fraction form
    126,317,612.10/189,476,418.15 = 124,617,000.90/x
  3. Step 3: Cross multiply
    126,317,612.10x = 189,476,418.15 × 124,617,000.90
  4. Step 4: Simplify right side
    126,317,612.10x = 23,611,982,971,127,328
  5. Step 5: Solve for x
    x = 23,611,982,971,127,328/126,317,612.10
  6. Step 6: Final answer
    x = 186,925,501.35

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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.