Home / 279,557,518.72-419,357,508-95,267,718.40

Finding the Fourth Proportional to 279,557,518.72, 419,357,508 and 95,267,718.40

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Solution

The fourth proportional to 279,557,518.72, 419,357,508 and 95,267,718.40 is: 142,908,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,557,518.72 : 419,357,508 = 95,267,718.40 : x
  2. Step 2: Convert to fraction form
    279,557,518.72/419,357,508 = 95,267,718.40/x
  3. Step 3: Cross multiply
    279,557,518.72x = 419,357,508 × 95,267,718.40
  4. Step 4: Simplify right side
    279,557,518.72x = 39,951,232,981,069,752
  5. Step 5: Solve for x
    x = 39,951,232,981,069,752/279,557,518.72
  6. Step 6: Final answer
    x = 142,908,812.34

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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.