Home / 80,746,232.40-121,119,348.60-75,006,669.60

Finding the Fourth Proportional to 80,746,232.40, 121,119,348.60 and 75,006,669.60

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Solution

The fourth proportional to 80,746,232.40, 121,119,348.60 and 75,006,669.60 is: 112,510,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,746,232.40 : 121,119,348.60 = 75,006,669.60 : x
  2. Step 2: Convert to fraction form
    80,746,232.40/121,119,348.60 = 75,006,669.60/x
  3. Step 3: Cross multiply
    80,746,232.40x = 121,119,348.60 × 75,006,669.60
  4. Step 4: Simplify right side
    80,746,232.40x = 9,084,758,962,607,422
  5. Step 5: Solve for x
    x = 9,084,758,962,607,422/80,746,232.40
  6. Step 6: Final answer
    x = 112,510,004.40

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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.