Home / 202,087,571.88-278,869,398.84-113,976,303.24

Finding the Fourth Proportional to 202,087,571.88, 278,869,398.84 and 113,976,303.24

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Solution

The fourth proportional to 202,087,571.88, 278,869,398.84 and 113,976,303.24 is: 157,280,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,087,571.88 : 278,869,398.84 = 113,976,303.24 : x
  2. Step 2: Convert to fraction form
    202,087,571.88/278,869,398.84 = 113,976,303.24/x
  3. Step 3: Cross multiply
    202,087,571.88x = 278,869,398.84 × 113,976,303.24
  4. Step 4: Simplify right side
    202,087,571.88x = 31,784,503,166,544,340
  5. Step 5: Solve for x
    x = 31,784,503,166,544,340/202,087,571.88
  6. Step 6: Final answer
    x = 157,280,840.53

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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.