Home / 66,569,659.40-91,866,254.79-37,200,992.11

Finding the Fourth Proportional to 66,569,659.40, 91,866,254.79 and 37,200,992.11

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Solution

The fourth proportional to 66,569,659.40, 91,866,254.79 and 37,200,992.11 is: 51,337,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,569,659.40 : 91,866,254.79 = 37,200,992.11 : x
  2. Step 2: Convert to fraction form
    66,569,659.40/91,866,254.79 = 37,200,992.11/x
  3. Step 3: Cross multiply
    66,569,659.40x = 91,866,254.79 × 37,200,992.11
  4. Step 4: Simplify right side
    66,569,659.40x = 3,417,515,819,527,878
  5. Step 5: Solve for x
    x = 3,417,515,819,527,878/66,569,659.40
  6. Step 6: Final answer
    x = 51,337,438.86

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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.