Home / 104,976,105.40-157,464,158.10-53,320,040.20

Finding the Fourth Proportional to 104,976,105.40, 157,464,158.10 and 53,320,040.20

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Solution

The fourth proportional to 104,976,105.40, 157,464,158.10 and 53,320,040.20 is: 79,980,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,105.40 : 157,464,158.10 = 53,320,040.20 : x
  2. Step 2: Convert to fraction form
    104,976,105.40/157,464,158.10 = 53,320,040.20/x
  3. Step 3: Cross multiply
    104,976,105.40x = 157,464,158.10 × 53,320,040.20
  4. Step 4: Simplify right side
    104,976,105.40x = 8,395,995,239,951,156
  5. Step 5: Solve for x
    x = 8,395,995,239,951,156/104,976,105.40
  6. Step 6: Final answer
    x = 79,980,060.30

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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.