Home / 260,681,445.44-359,744,079.12-143,217,631.52

Finding the Fourth Proportional to 260,681,445.44, 359,744,079.12 and 143,217,631.52

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Solution

The fourth proportional to 260,681,445.44, 359,744,079.12 and 143,217,631.52 is: 197,642,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,681,445.44 : 359,744,079.12 = 143,217,631.52 : x
  2. Step 2: Convert to fraction form
    260,681,445.44/359,744,079.12 = 143,217,631.52/x
  3. Step 3: Cross multiply
    260,681,445.44x = 359,744,079.12 × 143,217,631.52
  4. Step 4: Simplify right side
    260,681,445.44x = 51,521,694,964,909,888
  5. Step 5: Solve for x
    x = 51,521,694,964,909,888/260,681,445.44
  6. Step 6: Final answer
    x = 197,642,355.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.