Home / 124,428,290.40-186,642,435.60-113,846,709.60

Finding the Fourth Proportional to 124,428,290.40, 186,642,435.60 and 113,846,709.60

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Solution

The fourth proportional to 124,428,290.40, 186,642,435.60 and 113,846,709.60 is: 170,770,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428,290.40 : 186,642,435.60 = 113,846,709.60 : x
  2. Step 2: Convert to fraction form
    124,428,290.40/186,642,435.60 = 113,846,709.60/x
  3. Step 3: Cross multiply
    124,428,290.40x = 186,642,435.60 × 113,846,709.60
  4. Step 4: Simplify right side
    124,428,290.40x = 21,248,627,164,789,900
  5. Step 5: Solve for x
    x = 21,248,627,164,789,900/124,428,290.40
  6. Step 6: Final answer
    x = 170,770,064.40

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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.