Home / 189,906,718.32-284,820,218.91-53,560,215.36

Finding the Fourth Proportional to 189,906,718.32, 284,820,218.91 and 53,560,215.36

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Solution

The fourth proportional to 189,906,718.32, 284,820,218.91 and 53,560,215.36 is: 80,329,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,906,718.32 : 284,820,218.91 = 53,560,215.36 : x
  2. Step 2: Convert to fraction form
    189,906,718.32/284,820,218.91 = 53,560,215.36/x
  3. Step 3: Cross multiply
    189,906,718.32x = 284,820,218.91 × 53,560,215.36
  4. Step 4: Simplify right side
    189,906,718.32x = 15,255,032,263,701,946
  5. Step 5: Solve for x
    x = 15,255,032,263,701,946/189,906,718.32
  6. Step 6: Final answer
    x = 80,329,081.55

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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.