Home / 149,038,733.38-223,591,442.80-45,416,048.63

Finding the Fourth Proportional to 149,038,733.38, 223,591,442.80 and 45,416,048.63

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Solution

The fourth proportional to 149,038,733.38, 223,591,442.80 and 45,416,048.63 is: 68,134,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,038,733.38 : 223,591,442.80 = 45,416,048.63 : x
  2. Step 2: Convert to fraction form
    149,038,733.38/223,591,442.80 = 45,416,048.63/x
  3. Step 3: Cross multiply
    149,038,733.38x = 223,591,442.80 × 45,416,048.63
  4. Step 4: Simplify right side
    149,038,733.38x = 10,154,639,840,005,334
  5. Step 5: Solve for x
    x = 10,154,639,840,005,334/149,038,733.38
  6. Step 6: Final answer
    x = 68,134,233.36

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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.