Home / 180,469,013.77-249,040,064.55-102,168,809.59

Finding the Fourth Proportional to 180,469,013.77, 249,040,064.55 and 102,168,809.59

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Solution

The fourth proportional to 180,469,013.77, 249,040,064.55 and 102,168,809.59 is: 140,988,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,469,013.77 : 249,040,064.55 = 102,168,809.59 : x
  2. Step 2: Convert to fraction form
    180,469,013.77/249,040,064.55 = 102,168,809.59/x
  3. Step 3: Cross multiply
    180,469,013.77x = 249,040,064.55 × 102,168,809.59
  4. Step 4: Simplify right side
    180,469,013.77x = 25,444,126,935,290,260
  5. Step 5: Solve for x
    x = 25,444,126,935,290,260/180,469,013.77
  6. Step 6: Final answer
    x = 140,988,895.57

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1.5x scale

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.