Home / 217,201,721.70-325,802,582.55-130,895,703.30

Finding the Fourth Proportional to 217,201,721.70, 325,802,582.55 and 130,895,703.30

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Solution

The fourth proportional to 217,201,721.70, 325,802,582.55 and 130,895,703.30 is: 196,343,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,201,721.70 : 325,802,582.55 = 130,895,703.30 : x
  2. Step 2: Convert to fraction form
    217,201,721.70/325,802,582.55 = 130,895,703.30/x
  3. Step 3: Cross multiply
    217,201,721.70x = 325,802,582.55 × 130,895,703.30
  4. Step 4: Simplify right side
    217,201,721.70x = 42,646,158,179,838,560
  5. Step 5: Solve for x
    x = 42,646,158,179,838,560/217,201,721.70
  6. Step 6: Final answer
    x = 196,343,554.95

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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.