Home / 84,876,721.20-127,315,081.80-27,370,868.40

Finding the Fourth Proportional to 84,876,721.20, 127,315,081.80 and 27,370,868.40

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Solution

The fourth proportional to 84,876,721.20, 127,315,081.80 and 27,370,868.40 is: 41,056,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,876,721.20 : 127,315,081.80 = 27,370,868.40 : x
  2. Step 2: Convert to fraction form
    84,876,721.20/127,315,081.80 = 27,370,868.40/x
  3. Step 3: Cross multiply
    84,876,721.20x = 127,315,081.80 × 27,370,868.40
  4. Step 4: Simplify right side
    84,876,721.20x = 3,484,724,349,283,035
  5. Step 5: Solve for x
    x = 3,484,724,349,283,035/84,876,721.20
  6. Step 6: Final answer
    x = 41,056,302.60

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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.