Home / 87,156,064.80-130,720,100.40-26,557,696.80

Finding the Fourth Proportional to 87,156,064.80, 130,720,100.40 and 26,557,696.80

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Solution

The fourth proportional to 87,156,064.80, 130,720,100.40 and 26,557,696.80 is: 39,832,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,064.80 : 130,720,100.40 = 26,557,696.80 : x
  2. Step 2: Convert to fraction form
    87,156,064.80/130,720,100.40 = 26,557,696.80/x
  3. Step 3: Cross multiply
    87,156,064.80x = 130,720,100.40 × 26,557,696.80
  4. Step 4: Simplify right side
    87,156,064.80x = 3,471,624,792,088,759
  5. Step 5: Solve for x
    x = 3,471,624,792,088,759/87,156,064.80
  6. Step 6: Final answer
    x = 39,832,280.18

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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.