Home / 121,717,913.85-167,974,783.30-66,713,911.29

Finding the Fourth Proportional to 121,717,913.85, 167,974,783.30 and 66,713,911.29

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Solution

The fourth proportional to 121,717,913.85, 167,974,783.30 and 66,713,911.29 is: 92,067,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,717,913.85 : 167,974,783.30 = 66,713,911.29 : x
  2. Step 2: Convert to fraction form
    121,717,913.85/167,974,783.30 = 66,713,911.29/x
  3. Step 3: Cross multiply
    121,717,913.85x = 167,974,783.30 × 66,713,911.29
  4. Step 4: Simplify right side
    121,717,913.85x = 11,206,254,792,033,174
  5. Step 5: Solve for x
    x = 11,206,254,792,033,174/121,717,913.85
  6. Step 6: Final answer
    x = 92,067,424.08

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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.