Home / 148,820,499.78-223,216,315.74-45,190,601.82

Finding the Fourth Proportional to 148,820,499.78, 223,216,315.74 and 45,190,601.82

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Solution

The fourth proportional to 148,820,499.78, 223,216,315.74 and 45,190,601.82 is: 67,781,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,820,499.78 : 223,216,315.74 = 45,190,601.82 : x
  2. Step 2: Convert to fraction form
    148,820,499.78/223,216,315.74 = 45,190,601.82/x
  3. Step 3: Cross multiply
    148,820,499.78x = 223,216,315.74 × 45,190,601.82
  4. Step 4: Simplify right side
    148,820,499.78x = 10,087,279,644,333,740
  5. Step 5: Solve for x
    x = 10,087,279,644,333,740/148,820,499.78
  6. Step 6: Final answer
    x = 67,781,519.75

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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.