Home / 113,358,410.10-170,037,615.15-45,211,619.70

Finding the Fourth Proportional to 113,358,410.10, 170,037,615.15 and 45,211,619.70

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Solution

The fourth proportional to 113,358,410.10, 170,037,615.15 and 45,211,619.70 is: 67,817,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,358,410.10 : 170,037,615.15 = 45,211,619.70 : x
  2. Step 2: Convert to fraction form
    113,358,410.10/170,037,615.15 = 45,211,619.70/x
  3. Step 3: Cross multiply
    113,358,410.10x = 170,037,615.15 × 45,211,619.70
  4. Step 4: Simplify right side
    113,358,410.10x = 7,687,675,990,856,759
  5. Step 5: Solve for x
    x = 7,687,675,990,856,759/113,358,410.10
  6. Step 6: Final answer
    x = 67,817,429.55

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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.