Home / 66,407,428.60-99,563,903.70-25,451,042.20

Finding the Fourth Proportional to 66,407,428.60, 99,563,903.70 and 25,451,042.20

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Solution

The fourth proportional to 66,407,428.60, 99,563,903.70 and 25,451,042.20 is: 38,158,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,407,428.60 : 99,563,903.70 = 25,451,042.20 : x
  2. Step 2: Convert to fraction form
    66,407,428.60/99,563,903.70 = 25,451,042.20/x
  3. Step 3: Cross multiply
    66,407,428.60x = 99,563,903.70 × 25,451,042.20
  4. Step 4: Simplify right side
    66,407,428.60x = 2,534,005,114,665,436
  5. Step 5: Solve for x
    x = 2,534,005,114,665,436/66,407,428.60
  6. Step 6: Final answer
    x = 38,158,458.60

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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.