Home / 121,200,698.91-167,262,401.48-66,197,007.39

Finding the Fourth Proportional to 121,200,698.91, 167,262,401.48 and 66,197,007.39

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Solution

The fourth proportional to 121,200,698.91, 167,262,401.48 and 66,197,007.39 is: 91,354,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,200,698.91 : 167,262,401.48 = 66,197,007.39 : x
  2. Step 2: Convert to fraction form
    121,200,698.91/167,262,401.48 = 66,197,007.39/x
  3. Step 3: Cross multiply
    121,200,698.91x = 167,262,401.48 × 66,197,007.39
  4. Step 4: Simplify right side
    121,200,698.91x = 11,072,270,426,509,722
  5. Step 5: Solve for x
    x = 11,072,270,426,509,722/121,200,698.91
  6. Step 6: Final answer
    x = 91,354,839.75

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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.