Home / 100,276,057.71-138,347,881.10-60,568,751.76

Finding the Fourth Proportional to 100,276,057.71, 138,347,881.10 and 60,568,751.76

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Solution

The fourth proportional to 100,276,057.71, 138,347,881.10 and 60,568,751.76 is: 83,564,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,276,057.71 : 138,347,881.10 = 60,568,751.76 : x
  2. Step 2: Convert to fraction form
    100,276,057.71/138,347,881.10 = 60,568,751.76/x
  3. Step 3: Cross multiply
    100,276,057.71x = 138,347,881.10 × 60,568,751.76
  4. Step 4: Simplify right side
    100,276,057.71x = 8,379,558,466,867,895
  5. Step 5: Solve for x
    x = 8,379,558,466,867,895/100,276,057.71
  6. Step 6: Final answer
    x = 83,564,897.33

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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.