Home / 98,419,939.60-147,629,131.80-25,636,579.60

Finding the Fourth Proportional to 98,419,939.60, 147,629,131.80 and 25,636,579.60

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Solution

The fourth proportional to 98,419,939.60, 147,629,131.80 and 25,636,579.60 is: 38,454,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,419,939.60 : 147,629,131.80 = 25,636,579.60 : x
  2. Step 2: Convert to fraction form
    98,419,939.60/147,629,131.80 = 25,636,579.60/x
  3. Step 3: Cross multiply
    98,419,939.60x = 147,629,131.80 × 25,636,579.60
  4. Step 4: Simplify right side
    98,419,939.60x = 3,784,705,988,669,592
  5. Step 5: Solve for x
    x = 3,784,705,988,669,592/98,419,939.60
  6. Step 6: Final answer
    x = 38,454,666.85

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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.