Home / 242,711,589.20-364,074,167.07-78,949,346.31

Finding the Fourth Proportional to 242,711,589.20, 364,074,167.07 and 78,949,346.31

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Solution

The fourth proportional to 242,711,589.20, 364,074,167.07 and 78,949,346.31 is: 118,426,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,711,589.20 : 364,074,167.07 = 78,949,346.31 : x
  2. Step 2: Convert to fraction form
    242,711,589.20/364,074,167.07 = 78,949,346.31/x
  3. Step 3: Cross multiply
    242,711,589.20x = 364,074,167.07 × 78,949,346.31
  4. Step 4: Simplify right side
    242,711,589.20x = 28,743,417,498,534,228
  5. Step 5: Solve for x
    x = 28,743,417,498,534,228/242,711,589.20
  6. Step 6: Final answer
    x = 118,426,225.93

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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.