Home / 129,962,275.20-194,943,412.80-104,453,107.20

Finding the Fourth Proportional to 129,962,275.20, 194,943,412.80 and 104,453,107.20

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Solution

The fourth proportional to 129,962,275.20, 194,943,412.80 and 104,453,107.20 is: 156,679,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,962,275.20 : 194,943,412.80 = 104,453,107.20 : x
  2. Step 2: Convert to fraction form
    129,962,275.20/194,943,412.80 = 104,453,107.20/x
  3. Step 3: Cross multiply
    129,962,275.20x = 194,943,412.80 × 104,453,107.20
  4. Step 4: Simplify right side
    129,962,275.20x = 20,362,445,195,132,252
  5. Step 5: Solve for x
    x = 20,362,445,195,132,252/129,962,275.20
  6. Step 6: Final answer
    x = 156,679,660.80

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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.