Home / 218,681,868.38-301,787,276.93-120,903,022.94

Finding the Fourth Proportional to 218,681,868.38, 301,787,276.93 and 120,903,022.94

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Solution

The fourth proportional to 218,681,868.38, 301,787,276.93 and 120,903,022.94 is: 166,849,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,681,868.38 : 301,787,276.93 = 120,903,022.94 : x
  2. Step 2: Convert to fraction form
    218,681,868.38/301,787,276.93 = 120,903,022.94/x
  3. Step 3: Cross multiply
    218,681,868.38x = 301,787,276.93 × 120,903,022.94
  4. Step 4: Simplify right side
    218,681,868.38x = 36,486,994,063,554,472
  5. Step 5: Solve for x
    x = 36,486,994,063,554,472/218,681,868.38
  6. Step 6: Final answer
    x = 166,849,653.95

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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.