Home / 87,101,999.40-130,652,999.10-26,509,852.20

Finding the Fourth Proportional to 87,101,999.40, 130,652,999.10 and 26,509,852.20

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Solution

The fourth proportional to 87,101,999.40, 130,652,999.10 and 26,509,852.20 is: 39,764,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,101,999.40 : 130,652,999.10 = 26,509,852.20 : x
  2. Step 2: Convert to fraction form
    87,101,999.40/130,652,999.10 = 26,509,852.20/x
  3. Step 3: Cross multiply
    87,101,999.40x = 130,652,999.10 × 26,509,852.20
  4. Step 4: Simplify right side
    87,101,999.40x = 3,463,591,695,627,733
  5. Step 5: Solve for x
    x = 3,463,591,695,627,733/87,101,999.40
  6. Step 6: Final answer
    x = 39,764,778.30

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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.