Home / 99,853,338.20-149,780,007.30-82,833,229.40

Finding the Fourth Proportional to 99,853,338.20, 149,780,007.30 and 82,833,229.40

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Solution

The fourth proportional to 99,853,338.20, 149,780,007.30 and 82,833,229.40 is: 124,249,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,338.20 : 149,780,007.30 = 82,833,229.40 : x
  2. Step 2: Convert to fraction form
    99,853,338.20/149,780,007.30 = 82,833,229.40/x
  3. Step 3: Cross multiply
    99,853,338.20x = 149,780,007.30 × 82,833,229.40
  4. Step 4: Simplify right side
    99,853,338.20x = 12,406,761,704,214,576
  5. Step 5: Solve for x
    x = 12,406,761,704,214,576/99,853,338.20
  6. Step 6: Final answer
    x = 124,249,844.10

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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.