Home / 259,854,376.16-389,751,223.20-104,401,891.28

Finding the Fourth Proportional to 259,854,376.16, 389,751,223.20 and 104,401,891.28

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Solution

The fourth proportional to 259,854,376.16, 389,751,223.20 and 104,401,891.28 is: 156,590,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,854,376.16 : 389,751,223.20 = 104,401,891.28 : x
  2. Step 2: Convert to fraction form
    259,854,376.16/389,751,223.20 = 104,401,891.28/x
  3. Step 3: Cross multiply
    259,854,376.16x = 389,751,223.20 × 104,401,891.28
  4. Step 4: Simplify right side
    259,854,376.16x = 40,690,764,830,773,416
  5. Step 5: Solve for x
    x = 40,690,764,830,773,416/259,854,376.16
  6. Step 6: Final answer
    x = 156,590,646.78

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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.