Home / 104,976,105.60-157,464,158.40-70,711,939.20

Finding the Fourth Proportional to 104,976,105.60, 157,464,158.40 and 70,711,939.20

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Solution

The fourth proportional to 104,976,105.60, 157,464,158.40 and 70,711,939.20 is: 106,067,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,105.60 : 157,464,158.40 = 70,711,939.20 : x
  2. Step 2: Convert to fraction form
    104,976,105.60/157,464,158.40 = 70,711,939.20/x
  3. Step 3: Cross multiply
    104,976,105.60x = 157,464,158.40 × 70,711,939.20
  4. Step 4: Simplify right side
    104,976,105.60x = 11,134,595,994,959,970
  5. Step 5: Solve for x
    x = 11,134,595,994,959,970/104,976,105.60
  6. Step 6: Final answer
    x = 106,067,908.80

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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.