Home / 74,836,269.60-112,348,882.80-40,320,160.80

Finding the Fourth Proportional to 74,836,269.60, 112,348,882.80 and 40,320,160.80

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Solution

The fourth proportional to 74,836,269.60, 112,348,882.80 and 40,320,160.80 is: 60,531,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836,269.60 : 112,348,882.80 = 40,320,160.80 : x
  2. Step 2: Convert to fraction form
    74,836,269.60/112,348,882.80 = 40,320,160.80/x
  3. Step 3: Cross multiply
    74,836,269.60x = 112,348,882.80 × 40,320,160.80
  4. Step 4: Simplify right side
    74,836,269.60x = 4,529,925,020,196,354
  5. Step 5: Solve for x
    x = 4,529,925,020,196,354/74,836,269.60
  6. Step 6: Final answer
    x = 60,531,144.12

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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.