Home / 121,162,927.68-167,218,004.34-74,751,988.32

Finding the Fourth Proportional to 121,162,927.68, 167,218,004.34 and 74,751,988.32

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Solution

The fourth proportional to 121,162,927.68, 167,218,004.34 and 74,751,988.32 is: 103,165,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162,927.68 : 167,218,004.34 = 74,751,988.32 : x
  2. Step 2: Convert to fraction form
    121,162,927.68/167,218,004.34 = 74,751,988.32/x
  3. Step 3: Cross multiply
    121,162,927.68x = 167,218,004.34 × 74,751,988.32
  4. Step 4: Simplify right side
    121,162,927.68x = 12,499,878,307,317,388
  5. Step 5: Solve for x
    x = 12,499,878,307,317,388/121,162,927.68
  6. Step 6: Final answer
    x = 103,165,865.56

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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.