Home / 65,810,689.19-90,817,634.43-36,441,391.18

Finding the Fourth Proportional to 65,810,689.19, 90,817,634.43 and 36,441,391.18

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Solution

The fourth proportional to 65,810,689.19, 90,817,634.43 and 36,441,391.18 is: 50,288,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810,689.19 : 90,817,634.43 = 36,441,391.18 : x
  2. Step 2: Convert to fraction form
    65,810,689.19/90,817,634.43 = 36,441,391.18/x
  3. Step 3: Cross multiply
    65,810,689.19x = 90,817,634.43 × 36,441,391.18
  4. Step 4: Simplify right side
    65,810,689.19x = 3,309,520,942,305,866.50
  5. Step 5: Solve for x
    x = 3,309,520,942,305,866.50/65,810,689.19
  6. Step 6: Final answer
    x = 50,288,501.50

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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.