Home / 87,156,051.30-130,720,080.15-26,557,683.30

Finding the Fourth Proportional to 87,156,051.30, 130,720,080.15 and 26,557,683.30

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Solution

The fourth proportional to 87,156,051.30, 130,720,080.15 and 26,557,683.30 is: 39,832,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,051.30 : 130,720,080.15 = 26,557,683.30 : x
  2. Step 2: Convert to fraction form
    87,156,051.30/130,720,080.15 = 26,557,683.30/x
  3. Step 3: Cross multiply
    87,156,051.30x = 130,720,080.15 × 26,557,683.30
  4. Step 4: Simplify right side
    87,156,051.30x = 3,471,622,489,574,317
  5. Step 5: Solve for x
    x = 3,471,622,489,574,317/87,156,051.30
  6. Step 6: Final answer
    x = 39,832,259.93

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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.