Home / 79,517,961.20-119,276,941.80-70,448,034.80

Finding the Fourth Proportional to 79,517,961.20, 119,276,941.80 and 70,448,034.80

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Solution

The fourth proportional to 79,517,961.20, 119,276,941.80 and 70,448,034.80 is: 105,672,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,517,961.20 : 119,276,941.80 = 70,448,034.80 : x
  2. Step 2: Convert to fraction form
    79,517,961.20/119,276,941.80 = 70,448,034.80/x
  3. Step 3: Cross multiply
    79,517,961.20x = 119,276,941.80 × 70,448,034.80
  4. Step 4: Simplify right side
    79,517,961.20x = 8,402,826,146,763,974
  5. Step 5: Solve for x
    x = 8,402,826,146,763,974/79,517,961.20
  6. Step 6: Final answer
    x = 105,672,052.20

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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.