Home / 218,681,932.68-301,787,365.32-120,903,087.24

Finding the Fourth Proportional to 218,681,932.68, 301,787,365.32 and 120,903,087.24

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Solution

The fourth proportional to 218,681,932.68, 301,787,365.32 and 120,903,087.24 is: 166,849,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,681,932.68 : 301,787,365.32 = 120,903,087.24 : x
  2. Step 2: Convert to fraction form
    218,681,932.68/301,787,365.32 = 120,903,087.24/x
  3. Step 3: Cross multiply
    218,681,932.68x = 301,787,365.32 × 120,903,087.24
  4. Step 4: Simplify right side
    218,681,932.68x = 36,487,024,157,213,712
  5. Step 5: Solve for x
    x = 36,487,024,157,213,712/218,681,932.68
  6. Step 6: Final answer
    x = 166,849,742.50

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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.