Home / 81,544,181.64-122,337,442.62-30,426,585

Finding the Fourth Proportional to 81,544,181.64, 122,337,442.62 and 30,426,585

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Solution

The fourth proportional to 81,544,181.64, 122,337,442.62 and 30,426,585 is: 45,647,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,544,181.64 : 122,337,442.62 = 30,426,585 : x
  2. Step 2: Convert to fraction form
    81,544,181.64/122,337,442.62 = 30,426,585/x
  3. Step 3: Cross multiply
    81,544,181.64x = 122,337,442.62 × 30,426,585
  4. Step 4: Simplify right side
    81,544,181.64x = 3,722,310,596,560,053
  5. Step 5: Solve for x
    x = 3,722,310,596,560,053/81,544,181.64
  6. Step 6: Final answer
    x = 45,647,776.72

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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.