Home / 121,676,191.02-167,913,142.80-66,670,866.54

Finding the Fourth Proportional to 121,676,191.02, 167,913,142.80 and 66,670,866.54

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Solution

The fourth proportional to 121,676,191.02, 167,913,142.80 and 66,670,866.54 is: 92,005,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,676,191.02 : 167,913,142.80 = 66,670,866.54 : x
  2. Step 2: Convert to fraction form
    121,676,191.02/167,913,142.80 = 66,670,866.54/x
  3. Step 3: Cross multiply
    121,676,191.02x = 167,913,142.80 × 66,670,866.54
  4. Step 4: Simplify right side
    121,676,191.02x = 11,194,914,733,930,762
  5. Step 5: Solve for x
    x = 11,194,914,733,930,762/121,676,191.02
  6. Step 6: Final answer
    x = 92,005,795.38

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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.