Home / 80,878,815.40-121,318,223.10-44,977,023.40

Finding the Fourth Proportional to 80,878,815.40, 121,318,223.10 and 44,977,023.40

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Solution

The fourth proportional to 80,878,815.40, 121,318,223.10 and 44,977,023.40 is: 67,465,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,878,815.40 : 121,318,223.10 = 44,977,023.40 : x
  2. Step 2: Convert to fraction form
    80,878,815.40/121,318,223.10 = 44,977,023.40/x
  3. Step 3: Cross multiply
    80,878,815.40x = 121,318,223.10 × 44,977,023.40
  4. Step 4: Simplify right side
    80,878,815.40x = 5,456,532,559,215,120
  5. Step 5: Solve for x
    x = 5,456,532,559,215,120/80,878,815.40
  6. Step 6: Final answer
    x = 67,465,535.10

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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.