Home / 55,330,257.30-83,009,901.15-21,252,714.90

Finding the Fourth Proportional to 55,330,257.30, 83,009,901.15 and 21,252,714.90

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Solution

The fourth proportional to 55,330,257.30, 83,009,901.15 and 21,252,714.90 is: 31,884,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330,257.30 : 83,009,901.15 = 21,252,714.90 : x
  2. Step 2: Convert to fraction form
    55,330,257.30/83,009,901.15 = 21,252,714.90/x
  3. Step 3: Cross multiply
    55,330,257.30x = 83,009,901.15 × 21,252,714.90
  4. Step 4: Simplify right side
    55,330,257.30x = 1,764,185,763,018,132.25
  5. Step 5: Solve for x
    x = 1,764,185,763,018,132.25/55,330,257.30
  6. Step 6: Final answer
    x = 31,884,647.73

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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.