Home / 80,518,569.83-120,774,481.18-25,929,947.06

Finding the Fourth Proportional to 80,518,569.83, 120,774,481.18 and 25,929,947.06

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Solution

The fourth proportional to 80,518,569.83, 120,774,481.18 and 25,929,947.06 is: 38,893,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,518,569.83 : 120,774,481.18 = 25,929,947.06 : x
  2. Step 2: Convert to fraction form
    80,518,569.83/120,774,481.18 = 25,929,947.06/x
  3. Step 3: Cross multiply
    80,518,569.83x = 120,774,481.18 × 25,929,947.06
  4. Step 4: Simplify right side
    80,518,569.83x = 3,131,675,902,462,844
  5. Step 5: Solve for x
    x = 3,131,675,902,462,844/80,518,569.83
  6. Step 6: Final answer
    x = 38,893,834.17

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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.