Home / 121,790,105.28-182,675,980.71-38,788,509.93

Finding the Fourth Proportional to 121,790,105.28, 182,675,980.71 and 38,788,509.93

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Solution

The fourth proportional to 121,790,105.28, 182,675,980.71 and 38,788,509.93 is: 58,179,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,790,105.28 : 182,675,980.71 = 38,788,509.93 : x
  2. Step 2: Convert to fraction form
    121,790,105.28/182,675,980.71 = 38,788,509.93/x
  3. Step 3: Cross multiply
    121,790,105.28x = 182,675,980.71 × 38,788,509.93
  4. Step 4: Simplify right side
    121,790,105.28x = 7,085,729,091,057,289
  5. Step 5: Solve for x
    x = 7,085,729,091,057,289/121,790,105.28
  6. Step 6: Final answer
    x = 58,179,842.07

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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.