Home / 206,195,001.32-309,486,870.54-75,163,926.53

Finding the Fourth Proportional to 206,195,001.32, 309,486,870.54 and 75,163,926.53

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Solution

The fourth proportional to 206,195,001.32, 309,486,870.54 and 75,163,926.53 is: 112,816,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,195,001.32 : 309,486,870.54 = 75,163,926.53 : x
  2. Step 2: Convert to fraction form
    206,195,001.32/309,486,870.54 = 75,163,926.53/x
  3. Step 3: Cross multiply
    206,195,001.32x = 309,486,870.54 × 75,163,926.53
  4. Step 4: Simplify right side
    206,195,001.32x = 23,262,248,397,720,752
  5. Step 5: Solve for x
    x = 23,262,248,397,720,752/206,195,001.32
  6. Step 6: Final answer
    x = 112,816,742.64

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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.