Home / 106,406,649.60-159,609,974.40-57,865,747.20

Finding the Fourth Proportional to 106,406,649.60, 159,609,974.40 and 57,865,747.20

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Solution

The fourth proportional to 106,406,649.60, 159,609,974.40 and 57,865,747.20 is: 86,798,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,406,649.60 : 159,609,974.40 = 57,865,747.20 : x
  2. Step 2: Convert to fraction form
    106,406,649.60/159,609,974.40 = 57,865,747.20/x
  3. Step 3: Cross multiply
    106,406,649.60x = 159,609,974.40 × 57,865,747.20
  4. Step 4: Simplify right side
    106,406,649.60x = 9,235,950,429,228,872
  5. Step 5: Solve for x
    x = 9,235,950,429,228,872/106,406,649.60
  6. Step 6: Final answer
    x = 86,798,620.80

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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.