Home / 113,358,485.60-170,037,728.40-45,211,695.20

Finding the Fourth Proportional to 113,358,485.60, 170,037,728.40 and 45,211,695.20

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Solution

The fourth proportional to 113,358,485.60, 170,037,728.40 and 45,211,695.20 is: 67,817,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,358,485.60 : 170,037,728.40 = 45,211,695.20 : x
  2. Step 2: Convert to fraction form
    113,358,485.60/170,037,728.40 = 45,211,695.20/x
  3. Step 3: Cross multiply
    113,358,485.60x = 170,037,728.40 × 45,211,695.20
  4. Step 4: Simplify right side
    113,358,485.60x = 7,687,693,948,921,184
  5. Step 5: Solve for x
    x = 7,687,693,948,921,184/113,358,485.60
  6. Step 6: Final answer
    x = 67,817,542.80

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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.