Home / 119,576,441.38-165,018,986.50-70,012,177.78

Finding the Fourth Proportional to 119,576,441.38, 165,018,986.50 and 70,012,177.78

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Solution

The fourth proportional to 119,576,441.38, 165,018,986.50 and 70,012,177.78 is: 96,618,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,576,441.38 : 165,018,986.50 = 70,012,177.78 : x
  2. Step 2: Convert to fraction form
    119,576,441.38/165,018,986.50 = 70,012,177.78/x
  3. Step 3: Cross multiply
    119,576,441.38x = 165,018,986.50 × 70,012,177.78
  4. Step 4: Simplify right side
    119,576,441.38x = 11,553,338,619,325,842
  5. Step 5: Solve for x
    x = 11,553,338,619,325,842/119,576,441.38
  6. Step 6: Final answer
    x = 96,618,853.06

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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.