Home / 148,209,353.66-204,461,840.18-89,453,236.70

Finding the Fourth Proportional to 148,209,353.66, 204,461,840.18 and 89,453,236.70

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Solution

The fourth proportional to 148,209,353.66, 204,461,840.18 and 89,453,236.70 is: 123,404,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,209,353.66 : 204,461,840.18 = 89,453,236.70 : x
  2. Step 2: Convert to fraction form
    148,209,353.66/204,461,840.18 = 89,453,236.70/x
  3. Step 3: Cross multiply
    148,209,353.66x = 204,461,840.18 × 89,453,236.70
  4. Step 4: Simplify right side
    148,209,353.66x = 18,289,773,384,269,536
  5. Step 5: Solve for x
    x = 18,289,773,384,269,536/148,209,353.66
  6. Step 6: Final answer
    x = 123,404,987.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.