Home / 60,685,338.30-91,028,007.45-40,278,003.90

Finding the Fourth Proportional to 60,685,338.30, 91,028,007.45 and 40,278,003.90

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Solution

The fourth proportional to 60,685,338.30, 91,028,007.45 and 40,278,003.90 is: 60,417,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,685,338.30 : 91,028,007.45 = 40,278,003.90 : x
  2. Step 2: Convert to fraction form
    60,685,338.30/91,028,007.45 = 40,278,003.90/x
  3. Step 3: Cross multiply
    60,685,338.30x = 91,028,007.45 × 40,278,003.90
  4. Step 4: Simplify right side
    60,685,338.30x = 3,666,426,439,080,329
  5. Step 5: Solve for x
    x = 3,666,426,439,080,329/60,685,338.30
  6. Step 6: Final answer
    x = 60,417,005.85

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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.