Home / 143,563,290.80-215,344,936.20-83,097,114.80

Finding the Fourth Proportional to 143,563,290.80, 215,344,936.20 and 83,097,114.80

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Solution

The fourth proportional to 143,563,290.80, 215,344,936.20 and 83,097,114.80 is: 124,645,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,563,290.80 : 215,344,936.20 = 83,097,114.80 : x
  2. Step 2: Convert to fraction form
    143,563,290.80/215,344,936.20 = 83,097,114.80/x
  3. Step 3: Cross multiply
    143,563,290.80x = 215,344,936.20 × 83,097,114.80
  4. Step 4: Simplify right side
    143,563,290.80x = 17,894,542,885,010,074
  5. Step 5: Solve for x
    x = 17,894,542,885,010,074/143,563,290.80
  6. Step 6: Final answer
    x = 124,645,672.20

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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.