Home / 136,823,040.91-188,834,581.38-83,890,384.93

Finding the Fourth Proportional to 136,823,040.91, 188,834,581.38 and 83,890,384.93

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Solution

The fourth proportional to 136,823,040.91, 188,834,581.38 and 83,890,384.93 is: 115,780,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,823,040.91 : 188,834,581.38 = 83,890,384.93 : x
  2. Step 2: Convert to fraction form
    136,823,040.91/188,834,581.38 = 83,890,384.93/x
  3. Step 3: Cross multiply
    136,823,040.91x = 188,834,581.38 × 83,890,384.93
  4. Step 4: Simplify right side
    136,823,040.91x = 15,841,405,720,063,612
  5. Step 5: Solve for x
    x = 15,841,405,720,063,612/136,823,040.91
  6. Step 6: Final answer
    x = 115,780,248.81

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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.