Home / 121,275,672.05-181,913,487.31-38,335,647.26

Finding the Fourth Proportional to 121,275,672.05, 181,913,487.31 and 38,335,647.26

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Solution

The fourth proportional to 121,275,672.05, 181,913,487.31 and 38,335,647.26 is: 57,503,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275,672.05 : 181,913,487.31 = 38,335,647.26 : x
  2. Step 2: Convert to fraction form
    121,275,672.05/181,913,487.31 = 38,335,647.26/x
  3. Step 3: Cross multiply
    121,275,672.05x = 181,913,487.31 × 38,335,647.26
  4. Step 4: Simplify right side
    121,275,672.05x = 6,973,771,281,160,968
  5. Step 5: Solve for x
    x = 6,973,771,281,160,968/121,275,672.05
  6. Step 6: Final answer
    x = 57,503,464.32

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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.