Home / 143,563,291.80-215,344,937.70-83,097,115.80

Finding the Fourth Proportional to 143,563,291.80, 215,344,937.70 and 83,097,115.80

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Solution

The fourth proportional to 143,563,291.80, 215,344,937.70 and 83,097,115.80 is: 124,645,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,563,291.80 : 215,344,937.70 = 83,097,115.80 : x
  2. Step 2: Convert to fraction form
    143,563,291.80/215,344,937.70 = 83,097,115.80/x
  3. Step 3: Cross multiply
    143,563,291.80x = 215,344,937.70 × 83,097,115.80
  4. Step 4: Simplify right side
    143,563,291.80x = 17,894,543,225,000,684
  5. Step 5: Solve for x
    x = 17,894,543,225,000,684/143,563,291.80
  6. Step 6: Final answer
    x = 124,645,673.70

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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.