Home / 87,215,999.60-130,823,999.40-26,623,852.40

Finding the Fourth Proportional to 87,215,999.60, 130,823,999.40 and 26,623,852.40

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Solution

The fourth proportional to 87,215,999.60, 130,823,999.40 and 26,623,852.40 is: 39,935,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,215,999.60 : 130,823,999.40 = 26,623,852.40 : x
  2. Step 2: Convert to fraction form
    87,215,999.60/130,823,999.40 = 26,623,852.40/x
  3. Step 3: Cross multiply
    87,215,999.60x = 130,823,999.40 × 26,623,852.40
  4. Step 4: Simplify right side
    87,215,999.60x = 3,483,038,850,403,288.50
  5. Step 5: Solve for x
    x = 3,483,038,850,403,288.50/87,215,999.60
  6. Step 6: Final answer
    x = 39,935,778.60

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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.