Home / 135,548,565.12-187,058,246.40-73,669,049.28

Finding the Fourth Proportional to 135,548,565.12, 187,058,246.40 and 73,669,049.28

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Solution

The fourth proportional to 135,548,565.12, 187,058,246.40 and 73,669,049.28 is: 101,663,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,548,565.12 : 187,058,246.40 = 73,669,049.28 : x
  2. Step 2: Convert to fraction form
    135,548,565.12/187,058,246.40 = 73,669,049.28/x
  3. Step 3: Cross multiply
    135,548,565.12x = 187,058,246.40 × 73,669,049.28
  4. Step 4: Simplify right side
    135,548,565.12x = 13,780,403,172,271,984
  5. Step 5: Solve for x
    x = 13,780,403,172,271,984/135,548,565.12
  6. Step 6: Final answer
    x = 101,663,954.61

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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.