Home / 80,878,981.80-121,318,472.70-23,377,065.60

Finding the Fourth Proportional to 80,878,981.80, 121,318,472.70 and 23,377,065.60

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Solution

The fourth proportional to 80,878,981.80, 121,318,472.70 and 23,377,065.60 is: 35,065,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,878,981.80 : 121,318,472.70 = 23,377,065.60 : x
  2. Step 2: Convert to fraction form
    80,878,981.80/121,318,472.70 = 23,377,065.60/x
  3. Step 3: Cross multiply
    80,878,981.80x = 121,318,472.70 × 23,377,065.60
  4. Step 4: Simplify right side
    80,878,981.80x = 2,836,069,894,799,709.50
  5. Step 5: Solve for x
    x = 2,836,069,894,799,709.50/80,878,981.80
  6. Step 6: Final answer
    x = 35,065,598.40

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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.