Home / 105,486,540.36-158,223,682.08-31,708,727.16

Finding the Fourth Proportional to 105,486,540.36, 158,223,682.08 and 31,708,727.16

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Solution

The fourth proportional to 105,486,540.36, 158,223,682.08 and 31,708,727.16 is: 47,561,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,486,540.36 : 158,223,682.08 = 31,708,727.16 : x
  2. Step 2: Convert to fraction form
    105,486,540.36/158,223,682.08 = 31,708,727.16/x
  3. Step 3: Cross multiply
    105,486,540.36x = 158,223,682.08 × 31,708,727.16
  4. Step 4: Simplify right side
    105,486,540.36x = 5,017,071,565,325,302
  5. Step 5: Solve for x
    x = 5,017,071,565,325,302/105,486,540.36
  6. Step 6: Final answer
    x = 47,561,248.56

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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.