Home / 111,226,456.88-153,501,600.12-61,682,346.80

Finding the Fourth Proportional to 111,226,456.88, 153,501,600.12 and 61,682,346.80

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Solution

The fourth proportional to 111,226,456.88, 153,501,600.12 and 61,682,346.80 is: 85,126,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,226,456.88 : 153,501,600.12 = 61,682,346.80 : x
  2. Step 2: Convert to fraction form
    111,226,456.88/153,501,600.12 = 61,682,346.80/x
  3. Step 3: Cross multiply
    111,226,456.88x = 153,501,600.12 × 61,682,346.80
  4. Step 4: Simplify right side
    111,226,456.88x = 9,468,338,932,956,762
  5. Step 5: Solve for x
    x = 9,468,338,932,956,762/111,226,456.88
  6. Step 6: Final answer
    x = 85,126,679.38

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1.5x scale

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.