Home / 80,263,411.60-120,395,117.40-74,888,640.40

Finding the Fourth Proportional to 80,263,411.60, 120,395,117.40 and 74,888,640.40

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Solution

The fourth proportional to 80,263,411.60, 120,395,117.40 and 74,888,640.40 is: 112,332,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,263,411.60 : 120,395,117.40 = 74,888,640.40 : x
  2. Step 2: Convert to fraction form
    80,263,411.60/120,395,117.40 = 74,888,640.40/x
  3. Step 3: Cross multiply
    80,263,411.60x = 120,395,117.40 × 74,888,640.40
  4. Step 4: Simplify right side
    80,263,411.60x = 9,016,226,652,884,384
  5. Step 5: Solve for x
    x = 9,016,226,652,884,384/80,263,411.60
  6. Step 6: Final answer
    x = 112,332,960.60

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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.