Home / 86,704,128,877.20-130,056,193,315.80-31,551,810,003.60

Finding the Fourth Proportional to 86,704,128,877.20, 130,056,193,315.80 and 31,551,810,003.60

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Solution

The fourth proportional to 86,704,128,877.20, 130,056,193,315.80 and 31,551,810,003.60 is: 47,327,715,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704,128,877.20 : 130,056,193,315.80 = 31,551,810,003.60 : x
  2. Step 2: Convert to fraction form
    86,704,128,877.20/130,056,193,315.80 = 31,551,810,003.60/x
  3. Step 3: Cross multiply
    86,704,128,877.20x = 130,056,193,315.80 × 31,551,810,003.60
  4. Step 4: Simplify right side
    86,704,128,877.20x = 4,103,508,301,291,593,924,608
  5. Step 5: Solve for x
    x = 4,103,508,301,291,593,924,608/86,704,128,877.20
  6. Step 6: Final answer
    x = 47,327,715,005.40

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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.