Home / 66,633,769-99,985,508.56-27,271,242

Finding the Fourth Proportional to 66,633,769, 99,985,508.56 and 27,271,242

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Solution

The fourth proportional to 66,633,769, 99,985,508.56 and 27,271,242 is: 40,921,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633,769 : 99,985,508.56 = 27,271,242 : x
  2. Step 2: Convert to fraction form
    66,633,769/99,985,508.56 = 27,271,242/x
  3. Step 3: Cross multiply
    66,633,769x = 99,985,508.56 × 27,271,242
  4. Step 4: Simplify right side
    66,633,769x = 2,726,729,000,432,831.50
  5. Step 5: Solve for x
    x = 2,726,729,000,432,831.50/66,633,769
  6. Step 6: Final answer
    x = 40,921,128.15

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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.