Home / 66,023,218-91,110,265.64-39,576,511.76

Finding the Fourth Proportional to 66,023,218, 91,110,265.64 and 39,576,511.76

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Solution

The fourth proportional to 66,023,218, 91,110,265.64 and 39,576,511.76 is: 54,614,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023,218 : 91,110,265.64 = 39,576,511.76 : x
  2. Step 2: Convert to fraction form
    66,023,218/91,110,265.64 = 39,576,511.76/x
  3. Step 3: Cross multiply
    66,023,218x = 91,110,265.64 × 39,576,511.76
  4. Step 4: Simplify right side
    66,023,218x = 3,605,826,499,558,184
  5. Step 5: Solve for x
    x = 3,605,826,499,558,184/66,023,218
  6. Step 6: Final answer
    x = 54,614,522.11

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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.