Home / 66,023,210-91,110,254.64-39,576,503.72

Finding the Fourth Proportional to 66,023,210, 91,110,254.64 and 39,576,503.72

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Solution

The fourth proportional to 66,023,210, 91,110,254.64 and 39,576,503.72 is: 54,614,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023,210 : 91,110,254.64 = 39,576,503.72 : x
  2. Step 2: Convert to fraction form
    66,023,210/91,110,254.64 = 39,576,503.72/x
  3. Step 3: Cross multiply
    66,023,210x = 91,110,254.64 × 39,576,503.72
  4. Step 4: Simplify right side
    66,023,210x = 3,605,825,331,690,107
  5. Step 5: Solve for x
    x = 3,605,825,331,690,107/66,023,210
  6. Step 6: Final answer
    x = 54,614,511.04

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1.5x scale

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.