Home / 49,539,300.12-74,279,515.66-18,836,124.60

Finding the Fourth Proportional to 49,539,300.12, 74,279,515.66 and 18,836,124.60

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Solution

The fourth proportional to 49,539,300.12, 74,279,515.66 and 18,836,124.60 is: 28,242,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539,300.12 : 74,279,515.66 = 18,836,124.60 : x
  2. Step 2: Convert to fraction form
    49,539,300.12/74,279,515.66 = 18,836,124.60/x
  3. Step 3: Cross multiply
    49,539,300.12x = 74,279,515.66 × 18,836,124.60
  4. Step 4: Simplify right side
    49,539,300.12x = 1,399,138,212,199,411.25
  5. Step 5: Solve for x
    x = 1,399,138,212,199,411.25/49,539,300.12
  6. Step 6: Final answer
    x = 28,242,995.13

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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.