Home / 217,636,672.43-300,335,625.29-123,549,996.94

Finding the Fourth Proportional to 217,636,672.43, 300,335,625.29 and 123,549,996.94

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Solution

The fourth proportional to 217,636,672.43, 300,335,625.29 and 123,549,996.94 is: 170,497,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,636,672.43 : 300,335,625.29 = 123,549,996.94 : x
  2. Step 2: Convert to fraction form
    217,636,672.43/300,335,625.29 = 123,549,996.94/x
  3. Step 3: Cross multiply
    217,636,672.43x = 300,335,625.29 × 123,549,996.94
  4. Step 4: Simplify right side
    217,636,672.43x = 37,106,465,585,110,528
  5. Step 5: Solve for x
    x = 37,106,465,585,110,528/217,636,672.43
  6. Step 6: Final answer
    x = 170,497,302.55

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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.