Home / 111,702,076.60-167,553,114.90-77,264,699.80

Finding the Fourth Proportional to 111,702,076.60, 167,553,114.90 and 77,264,699.80

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Solution

The fourth proportional to 111,702,076.60, 167,553,114.90 and 77,264,699.80 is: 115,897,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702,076.60 : 167,553,114.90 = 77,264,699.80 : x
  2. Step 2: Convert to fraction form
    111,702,076.60/167,553,114.90 = 77,264,699.80/x
  3. Step 3: Cross multiply
    111,702,076.60x = 167,553,114.90 × 77,264,699.80
  4. Step 4: Simplify right side
    111,702,076.60x = 12,945,941,123,303,406
  5. Step 5: Solve for x
    x = 12,945,941,123,303,406/111,702,076.60
  6. Step 6: Final answer
    x = 115,897,049.70

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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.