Home / 123,700,637.31-170,702,202.52-68,700,036.75

Finding the Fourth Proportional to 123,700,637.31, 170,702,202.52 and 68,700,036.75

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Solution

The fourth proportional to 123,700,637.31, 170,702,202.52 and 68,700,036.75 is: 94,803,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,637.31 : 170,702,202.52 = 68,700,036.75 : x
  2. Step 2: Convert to fraction form
    123,700,637.31/170,702,202.52 = 68,700,036.75/x
  3. Step 3: Cross multiply
    123,700,637.31x = 170,702,202.52 × 68,700,036.75
  4. Step 4: Simplify right side
    123,700,637.31x = 11,727,247,587,028,932
  5. Step 5: Solve for x
    x = 11,727,247,587,028,932/123,700,637.31
  6. Step 6: Final answer
    x = 94,803,453.26

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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.