Home / 113,357,286.40-170,035,929.60-90,682,470.40

Finding the Fourth Proportional to 113,357,286.40, 170,035,929.60 and 90,682,470.40

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Solution

The fourth proportional to 113,357,286.40, 170,035,929.60 and 90,682,470.40 is: 136,023,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,357,286.40 : 170,035,929.60 = 90,682,470.40 : x
  2. Step 2: Convert to fraction form
    113,357,286.40/170,035,929.60 = 90,682,470.40/x
  3. Step 3: Cross multiply
    113,357,286.40x = 170,035,929.60 × 90,682,470.40
  4. Step 4: Simplify right side
    113,357,286.40x = 15,419,278,152,888,484
  5. Step 5: Solve for x
    x = 15,419,278,152,888,484/113,357,286.40
  6. Step 6: Final answer
    x = 136,023,705.60

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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.