Home / 89,093,913.20-133,640,869.80-43,744,281.20

Finding the Fourth Proportional to 89,093,913.20, 133,640,869.80 and 43,744,281.20

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Solution

The fourth proportional to 89,093,913.20, 133,640,869.80 and 43,744,281.20 is: 65,616,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,093,913.20 : 133,640,869.80 = 43,744,281.20 : x
  2. Step 2: Convert to fraction form
    89,093,913.20/133,640,869.80 = 43,744,281.20/x
  3. Step 3: Cross multiply
    89,093,913.20x = 133,640,869.80 × 43,744,281.20
  4. Step 4: Simplify right side
    89,093,913.20x = 5,846,023,788,343,788
  5. Step 5: Solve for x
    x = 5,846,023,788,343,788/89,093,913.20
  6. Step 6: Final answer
    x = 65,616,421.80

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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.