Home / 260,681,391.86-359,744,005.44-143,217,578.12

Finding the Fourth Proportional to 260,681,391.86, 359,744,005.44 and 143,217,578.12

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Solution

The fourth proportional to 260,681,391.86, 359,744,005.44 and 143,217,578.12 is: 197,642,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,681,391.86 : 359,744,005.44 = 143,217,578.12 : x
  2. Step 2: Convert to fraction form
    260,681,391.86/359,744,005.44 = 143,217,578.12/x
  3. Step 3: Cross multiply
    260,681,391.86x = 359,744,005.44 × 143,217,578.12
  4. Step 4: Simplify right side
    260,681,391.86x = 51,521,665,200,506,192
  5. Step 5: Solve for x
    x = 51,521,665,200,506,192/260,681,391.86
  6. Step 6: Final answer
    x = 197,642,282.15

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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.