Home / 89,270,948.56-123,212,033.01-51,595,712.80

Finding the Fourth Proportional to 89,270,948.56, 123,212,033.01 and 51,595,712.80

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Solution

The fourth proportional to 89,270,948.56, 123,212,033.01 and 51,595,712.80 is: 71,212,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270,948.56 : 123,212,033.01 = 51,595,712.80 : x
  2. Step 2: Convert to fraction form
    89,270,948.56/123,212,033.01 = 51,595,712.80/x
  3. Step 3: Cross multiply
    89,270,948.56x = 123,212,033.01 × 51,595,712.80
  4. Step 4: Simplify right side
    89,270,948.56x = 6,357,212,668,688,079
  5. Step 5: Solve for x
    x = 6,357,212,668,688,079/89,270,948.56
  6. Step 6: Final answer
    x = 71,212,558.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.