Home / 86,932,002.20-130,398,003.30-80,362,837.40

Finding the Fourth Proportional to 86,932,002.20, 130,398,003.30 and 80,362,837.40

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Solution

The fourth proportional to 86,932,002.20, 130,398,003.30 and 80,362,837.40 is: 120,544,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,002.20 : 130,398,003.30 = 80,362,837.40 : x
  2. Step 2: Convert to fraction form
    86,932,002.20/130,398,003.30 = 80,362,837.40/x
  3. Step 3: Cross multiply
    86,932,002.20x = 130,398,003.30 × 80,362,837.40
  4. Step 4: Simplify right side
    86,932,002.20x = 10,479,153,536,482,564
  5. Step 5: Solve for x
    x = 10,479,153,536,482,564/86,932,002.20
  6. Step 6: Final answer
    x = 120,544,256.10

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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.