Home / 65,285,732.15-90,094,309.80-35,916,434.43

Finding the Fourth Proportional to 65,285,732.15, 90,094,309.80 and 35,916,434.43

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Solution

The fourth proportional to 65,285,732.15, 90,094,309.80 and 35,916,434.43 is: 49,564,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,285,732.15 : 90,094,309.80 = 35,916,434.43 : x
  2. Step 2: Convert to fraction form
    65,285,732.15/90,094,309.80 = 35,916,434.43/x
  3. Step 3: Cross multiply
    65,285,732.15x = 90,094,309.80 × 35,916,434.43
  4. Step 4: Simplify right side
    65,285,732.15x = 3,235,866,370,447,806.50
  5. Step 5: Solve for x
    x = 3,235,866,370,447,806.50/65,285,732.15
  6. Step 6: Final answer
    x = 49,564,679.20

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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.