Home / 259,790,421.81-358,426,428.54-177,140,717.49

Finding the Fourth Proportional to 259,790,421.81, 358,426,428.54 and 177,140,717.49

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Solution

The fourth proportional to 259,790,421.81, 358,426,428.54 and 177,140,717.49 is: 244,396,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,790,421.81 : 358,426,428.54 = 177,140,717.49 : x
  2. Step 2: Convert to fraction form
    259,790,421.81/358,426,428.54 = 177,140,717.49/x
  3. Step 3: Cross multiply
    259,790,421.81x = 358,426,428.54 × 177,140,717.49
  4. Step 4: Simplify right side
    259,790,421.81x = 63,491,914,718,953,824
  5. Step 5: Solve for x
    x = 63,491,914,718,953,824/259,790,421.81
  6. Step 6: Final answer
    x = 244,396,672.81

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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.