Home / 74,908,778.52-112,363,167.78-21,056,090.52

Finding the Fourth Proportional to 74,908,778.52, 112,363,167.78 and 21,056,090.52

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Solution

The fourth proportional to 74,908,778.52, 112,363,167.78 and 21,056,090.52 is: 31,584,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,908,778.52 : 112,363,167.78 = 21,056,090.52 : x
  2. Step 2: Convert to fraction form
    74,908,778.52/112,363,167.78 = 21,056,090.52/x
  3. Step 3: Cross multiply
    74,908,778.52x = 112,363,167.78 × 21,056,090.52
  4. Step 4: Simplify right side
    74,908,778.52x = 2,365,929,031,889,627.50
  5. Step 5: Solve for x
    x = 2,365,929,031,889,627.50/74,908,778.52
  6. Step 6: Final answer
    x = 31,584,135.78

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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.