Home / 72,245,750.40-108,221,659.20-44,868,009.60

Finding the Fourth Proportional to 72,245,750.40, 108,221,659.20 and 44,868,009.60

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Solution

The fourth proportional to 72,245,750.40, 108,221,659.20 and 44,868,009.60 is: 67,210,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,245,750.40 : 108,221,659.20 = 44,868,009.60 : x
  2. Step 2: Convert to fraction form
    72,245,750.40/108,221,659.20 = 44,868,009.60/x
  3. Step 3: Cross multiply
    72,245,750.40x = 108,221,659.20 × 44,868,009.60
  4. Step 4: Simplify right side
    72,245,750.40x = 4,855,690,443,913,529
  5. Step 5: Solve for x
    x = 4,855,690,443,913,529/72,245,750.40
  6. Step 6: Final answer
    x = 67,210,741.35

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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.