Home / 82,569,079.80-123,853,619.70-55,359,300.60

Finding the Fourth Proportional to 82,569,079.80, 123,853,619.70 and 55,359,300.60

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Solution

The fourth proportional to 82,569,079.80, 123,853,619.70 and 55,359,300.60 is: 83,038,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,569,079.80 : 123,853,619.70 = 55,359,300.60 : x
  2. Step 2: Convert to fraction form
    82,569,079.80/123,853,619.70 = 55,359,300.60/x
  3. Step 3: Cross multiply
    82,569,079.80x = 123,853,619.70 × 55,359,300.60
  4. Step 4: Simplify right side
    82,569,079.80x = 6,856,449,763,370,382
  5. Step 5: Solve for x
    x = 6,856,449,763,370,382/82,569,079.80
  6. Step 6: Final answer
    x = 83,038,950.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.