Home / 149,335,938.56-205,926,456.32-117,921,870.72

Finding the Fourth Proportional to 149,335,938.56, 205,926,456.32 and 117,921,870.72

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Solution

The fourth proportional to 149,335,938.56, 205,926,456.32 and 117,921,870.72 is: 162,608,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,335,938.56 : 205,926,456.32 = 117,921,870.72 : x
  2. Step 2: Convert to fraction form
    149,335,938.56/205,926,456.32 = 117,921,870.72/x
  3. Step 3: Cross multiply
    149,335,938.56x = 205,926,456.32 × 117,921,870.72
  4. Step 4: Simplify right side
    149,335,938.56x = 24,283,232,959,994,764
  5. Step 5: Solve for x
    x = 24,283,232,959,994,764/149,335,938.56
  6. Step 6: Final answer
    x = 162,608,098.19

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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.