Home / 154,206,649.35-231,326,191.56-45,032,126.94

Finding the Fourth Proportional to 154,206,649.35, 231,326,191.56 and 45,032,126.94

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Solution

The fourth proportional to 154,206,649.35, 231,326,191.56 and 45,032,126.94 is: 67,552,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,206,649.35 : 231,326,191.56 = 45,032,126.94 : x
  2. Step 2: Convert to fraction form
    154,206,649.35/231,326,191.56 = 45,032,126.94/x
  3. Step 3: Cross multiply
    154,206,649.35x = 231,326,191.56 × 45,032,126.94
  4. Step 4: Simplify right side
    154,206,649.35x = 10,417,110,422,876,676
  5. Step 5: Solve for x
    x = 10,417,110,422,876,676/154,206,649.35
  6. Step 6: Final answer
    x = 67,552,926.33

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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.