Home / 103,876,253.40-155,609,093.70-91,111,171.80

Finding the Fourth Proportional to 103,876,253.40, 155,609,093.70 and 91,111,171.80

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Solution

The fourth proportional to 103,876,253.40, 155,609,093.70 and 91,111,171.80 is: 136,486,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,876,253.40 : 155,609,093.70 = 91,111,171.80 : x
  2. Step 2: Convert to fraction form
    103,876,253.40/155,609,093.70 = 91,111,171.80/x
  3. Step 3: Cross multiply
    103,876,253.40x = 155,609,093.70 × 91,111,171.80
  4. Step 4: Simplify right side
    103,876,253.40x = 14,177,726,869,742,996
  5. Step 5: Solve for x
    x = 14,177,726,869,742,996/103,876,253.40
  6. Step 6: Final answer
    x = 136,486,698.41

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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.