Home / 80,878,809.60-121,318,214.40-23,372,956.80

Finding the Fourth Proportional to 80,878,809.60, 121,318,214.40 and 23,372,956.80

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Solution

The fourth proportional to 80,878,809.60, 121,318,214.40 and 23,372,956.80 is: 35,059,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,878,809.60 : 121,318,214.40 = 23,372,956.80 : x
  2. Step 2: Convert to fraction form
    80,878,809.60/121,318,214.40 = 23,372,956.80/x
  3. Step 3: Cross multiply
    80,878,809.60x = 121,318,214.40 × 23,372,956.80
  4. Step 4: Simplify right side
    80,878,809.60x = 2,835,565,384,224,338
  5. Step 5: Solve for x
    x = 2,835,565,384,224,338/80,878,809.60
  6. Step 6: Final answer
    x = 35,059,435.20

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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.