Home / 218,681,926.56-301,787,357.28-120,903,081.12

Finding the Fourth Proportional to 218,681,926.56, 301,787,357.28 and 120,903,081.12

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Solution

The fourth proportional to 218,681,926.56, 301,787,357.28 and 120,903,081.12 is: 166,849,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,681,926.56 : 301,787,357.28 = 120,903,081.12 : x
  2. Step 2: Convert to fraction form
    218,681,926.56/301,787,357.28 = 120,903,081.12/x
  3. Step 3: Cross multiply
    218,681,926.56x = 301,787,357.28 × 120,903,081.12
  4. Step 4: Simplify right side
    218,681,926.56x = 36,487,021,338,214,264
  5. Step 5: Solve for x
    x = 36,487,021,338,214,264/218,681,926.56
  6. Step 6: Final answer
    x = 166,849,734.28

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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.