Home / 104,966,142.30-157,449,213.45-66,796,868.70

Finding the Fourth Proportional to 104,966,142.30, 157,449,213.45 and 66,796,868.70

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Solution

The fourth proportional to 104,966,142.30, 157,449,213.45 and 66,796,868.70 is: 100,195,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,966,142.30 : 157,449,213.45 = 66,796,868.70 : x
  2. Step 2: Convert to fraction form
    104,966,142.30/157,449,213.45 = 66,796,868.70/x
  3. Step 3: Cross multiply
    104,966,142.30x = 157,449,213.45 × 66,796,868.70
  4. Step 4: Simplify right side
    104,966,142.30x = 10,517,114,437,737,924
  5. Step 5: Solve for x
    x = 10,517,114,437,737,924/104,966,142.30
  6. Step 6: Final answer
    x = 100,195,303.05

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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.