Home / 101,702,929.46-140,379,911.96-66,426,127.52

Finding the Fourth Proportional to 101,702,929.46, 140,379,911.96 and 66,426,127.52

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Solution

The fourth proportional to 101,702,929.46, 140,379,911.96 and 66,426,127.52 is: 91,687,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,702,929.46 : 140,379,911.96 = 66,426,127.52 : x
  2. Step 2: Convert to fraction form
    101,702,929.46/140,379,911.96 = 66,426,127.52/x
  3. Step 3: Cross multiply
    101,702,929.46x = 140,379,911.96 × 66,426,127.52
  4. Step 4: Simplify right side
    101,702,929.46x = 9,324,893,932,067,304
  5. Step 5: Solve for x
    x = 9,324,893,932,067,304/101,702,929.46
  6. Step 6: Final answer
    x = 91,687,564.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.