Home / 74,721,203.56-112,114,176.35-40,137,255.04

Finding the Fourth Proportional to 74,721,203.56, 112,114,176.35 and 40,137,255.04

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Solution

The fourth proportional to 74,721,203.56, 112,114,176.35 and 40,137,255.04 is: 60,223,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,721,203.56 : 112,114,176.35 = 40,137,255.04 : x
  2. Step 2: Convert to fraction form
    74,721,203.56/112,114,176.35 = 40,137,255.04/x
  3. Step 3: Cross multiply
    74,721,203.56x = 112,114,176.35 × 40,137,255.04
  4. Step 4: Simplify right side
    74,721,203.56x = 4,499,955,289,759,486
  5. Step 5: Solve for x
    x = 4,499,955,289,759,486/74,721,203.56
  6. Step 6: Final answer
    x = 60,223,270.98

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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.