Home / 134,628,384.83-185,755,528.18-81,703,919.43

Finding the Fourth Proportional to 134,628,384.83, 185,755,528.18 and 81,703,919.43

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Solution

The fourth proportional to 134,628,384.83, 185,755,528.18 and 81,703,919.43 is: 112,732,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,628,384.83 : 185,755,528.18 = 81,703,919.43 : x
  2. Step 2: Convert to fraction form
    134,628,384.83/185,755,528.18 = 81,703,919.43/x
  3. Step 3: Cross multiply
    134,628,384.83x = 185,755,528.18 × 81,703,919.43
  4. Step 4: Simplify right side
    134,628,384.83x = 15,176,954,706,954,432
  5. Step 5: Solve for x
    x = 15,176,954,706,954,432/134,628,384.83
  6. Step 6: Final answer
    x = 112,732,205.22

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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.