Home / 49,931,621.20-74,841,444.60-21,172,862.80

Finding the Fourth Proportional to 49,931,621.20, 74,841,444.60 and 21,172,862.80

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Solution

The fourth proportional to 49,931,621.20, 74,841,444.60 and 21,172,862.80 is: 31,735,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,931,621.20 : 74,841,444.60 = 21,172,862.80 : x
  2. Step 2: Convert to fraction form
    49,931,621.20/74,841,444.60 = 21,172,862.80/x
  3. Step 3: Cross multiply
    49,931,621.20x = 74,841,444.60 × 21,172,862.80
  4. Step 4: Simplify right side
    49,931,621.20x = 1,584,607,638,269,600.75
  5. Step 5: Solve for x
    x = 1,584,607,638,269,600.75/49,931,621.20
  6. Step 6: Final answer
    x = 31,735,553.55

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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.