Home / 123,290,660.06-170,143,860.12-70,366,306.18

Finding the Fourth Proportional to 123,290,660.06, 170,143,860.12 and 70,366,306.18

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Solution

The fourth proportional to 123,290,660.06, 170,143,860.12 and 70,366,306.18 is: 97,107,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,290,660.06 : 170,143,860.12 = 70,366,306.18 : x
  2. Step 2: Convert to fraction form
    123,290,660.06/170,143,860.12 = 70,366,306.18/x
  3. Step 3: Cross multiply
    123,290,660.06x = 170,143,860.12 × 70,366,306.18
  4. Step 4: Simplify right side
    123,290,660.06x = 11,972,394,955,851,014
  5. Step 5: Solve for x
    x = 11,972,394,955,851,014/123,290,660.06
  6. Step 6: Final answer
    x = 97,107,071.61

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1.5x scale

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.