Home / 86,827,307.80-130,052,004.90-52,689,112.60

Finding the Fourth Proportional to 86,827,307.80, 130,052,004.90 and 52,689,112.60

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Solution

The fourth proportional to 86,827,307.80, 130,052,004.90 and 52,689,112.60 is: 78,919,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827,307.80 : 130,052,004.90 = 52,689,112.60 : x
  2. Step 2: Convert to fraction form
    86,827,307.80/130,052,004.90 = 52,689,112.60/x
  3. Step 3: Cross multiply
    86,827,307.80x = 130,052,004.90 × 52,689,112.60
  4. Step 4: Simplify right side
    86,827,307.80x = 6,852,324,730,031,852
  5. Step 5: Solve for x
    x = 6,852,324,730,031,852/86,827,307.80
  6. Step 6: Final answer
    x = 78,919,004.90

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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.