Home / 74,836,335.60-112,348,981.80-40,320,226.80

Finding the Fourth Proportional to 74,836,335.60, 112,348,981.80 and 40,320,226.80

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Solution

The fourth proportional to 74,836,335.60, 112,348,981.80 and 40,320,226.80 is: 60,531,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836,335.60 : 112,348,981.80 = 40,320,226.80 : x
  2. Step 2: Convert to fraction form
    74,836,335.60/112,348,981.80 = 40,320,226.80/x
  3. Step 3: Cross multiply
    74,836,335.60x = 112,348,981.80 × 40,320,226.80
  4. Step 4: Simplify right side
    74,836,335.60x = 4,529,936,426,925,072
  5. Step 5: Solve for x
    x = 4,529,936,426,925,072/74,836,335.60
  6. Step 6: Final answer
    x = 60,531,243.15

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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.