Home / 259,641,351.10-389,462,026.65-77,888,529.10

Finding the Fourth Proportional to 259,641,351.10, 389,462,026.65 and 77,888,529.10

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Solution

The fourth proportional to 259,641,351.10, 389,462,026.65 and 77,888,529.10 is: 116,832,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,641,351.10 : 389,462,026.65 = 77,888,529.10 : x
  2. Step 2: Convert to fraction form
    259,641,351.10/389,462,026.65 = 77,888,529.10/x
  3. Step 3: Cross multiply
    259,641,351.10x = 389,462,026.65 × 77,888,529.10
  4. Step 4: Simplify right side
    259,641,351.10x = 30,334,624,396,073,496
  5. Step 5: Solve for x
    x = 30,334,624,396,073,496/259,641,351.10
  6. Step 6: Final answer
    x = 116,832,793.65

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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.