Home / 56,706,427.20-85,003,653.60-27,929,006.40

Finding the Fourth Proportional to 56,706,427.20, 85,003,653.60 and 27,929,006.40

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Solution

The fourth proportional to 56,706,427.20, 85,003,653.60 and 27,929,006.40 is: 41,865,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706,427.20 : 85,003,653.60 = 27,929,006.40 : x
  2. Step 2: Convert to fraction form
    56,706,427.20/85,003,653.60 = 27,929,006.40/x
  3. Step 3: Cross multiply
    56,706,427.20x = 85,003,653.60 × 27,929,006.40
  4. Step 4: Simplify right side
    56,706,427.20x = 2,374,067,585,417,782.50
  5. Step 5: Solve for x
    x = 2,374,067,585,417,782.50/56,706,427.20
  6. Step 6: Final answer
    x = 41,865,934.83

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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.