Home / 85,121,038.62-127,699,510.77-27,608,843.52

Finding the Fourth Proportional to 85,121,038.62, 127,699,510.77 and 27,608,843.52

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Solution

The fourth proportional to 85,121,038.62, 127,699,510.77 and 27,608,843.52 is: 41,419,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,121,038.62 : 127,699,510.77 = 27,608,843.52 : x
  2. Step 2: Convert to fraction form
    85,121,038.62/127,699,510.77 = 27,608,843.52/x
  3. Step 3: Cross multiply
    85,121,038.62x = 127,699,510.77 × 27,608,843.52
  4. Step 4: Simplify right side
    85,121,038.62x = 3,525,635,810,429,484.50
  5. Step 5: Solve for x
    x = 3,525,635,810,429,484.50/85,121,038.62
  6. Step 6: Final answer
    x = 41,419,088.25

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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.