Home / 89,858,813.60-134,788,220.40-49,044,144.80

Finding the Fourth Proportional to 89,858,813.60, 134,788,220.40 and 49,044,144.80

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Solution

The fourth proportional to 89,858,813.60, 134,788,220.40 and 49,044,144.80 is: 73,566,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858,813.60 : 134,788,220.40 = 49,044,144.80 : x
  2. Step 2: Convert to fraction form
    89,858,813.60/134,788,220.40 = 49,044,144.80/x
  3. Step 3: Cross multiply
    89,858,813.60x = 134,788,220.40 × 49,044,144.80
  4. Step 4: Simplify right side
    89,858,813.60x = 6,610,572,998,631,914
  5. Step 5: Solve for x
    x = 6,610,572,998,631,914/89,858,813.60
  6. Step 6: Final answer
    x = 73,566,217.20

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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.