Home / 121,085,626.28-181,685,127.26-52,919,460.68

Finding the Fourth Proportional to 121,085,626.28, 181,685,127.26 and 52,919,460.68

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Solution

The fourth proportional to 121,085,626.28, 181,685,127.26 and 52,919,460.68 is: 79,403,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,085,626.28 : 181,685,127.26 = 52,919,460.68 : x
  2. Step 2: Convert to fraction form
    121,085,626.28/181,685,127.26 = 52,919,460.68/x
  3. Step 3: Cross multiply
    121,085,626.28x = 181,685,127.26 × 52,919,460.68
  4. Step 4: Simplify right side
    121,085,626.28x = 9,614,678,947,400,238
  5. Step 5: Solve for x
    x = 9,614,678,947,400,238/121,085,626.28
  6. Step 6: Final answer
    x = 79,403,965.96

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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.