Home / 134,628,389.95-185,755,535.25-81,703,924.55

Finding the Fourth Proportional to 134,628,389.95, 185,755,535.25 and 81,703,924.55

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Solution

The fourth proportional to 134,628,389.95, 185,755,535.25 and 81,703,924.55 is: 112,732,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,628,389.95 : 185,755,535.25 = 81,703,924.55 : x
  2. Step 2: Convert to fraction form
    134,628,389.95/185,755,535.25 = 81,703,924.55/x
  3. Step 3: Cross multiply
    134,628,389.95x = 185,755,535.25 × 81,703,924.55
  4. Step 4: Simplify right side
    134,628,389.95x = 15,176,956,236,810,864
  5. Step 5: Solve for x
    x = 15,176,956,236,810,864/134,628,389.95
  6. Step 6: Final answer
    x = 112,732,212.30

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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.