Home / 74,814,787.20-112,159,972.80-31,717,084.80

Finding the Fourth Proportional to 74,814,787.20, 112,159,972.80 and 31,717,084.80

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Solution

The fourth proportional to 74,814,787.20, 112,159,972.80 and 31,717,084.80 is: 47,549,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,814,787.20 : 112,159,972.80 = 31,717,084.80 : x
  2. Step 2: Convert to fraction form
    74,814,787.20/112,159,972.80 = 31,717,084.80/x
  3. Step 3: Cross multiply
    74,814,787.20x = 112,159,972.80 × 31,717,084.80
  4. Step 4: Simplify right side
    74,814,787.20x = 3,557,387,368,463,293.50
  5. Step 5: Solve for x
    x = 3,557,387,368,463,293.50/74,814,787.20
  6. Step 6: Final answer
    x = 47,549,254.65

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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.