Home / 218,681,896-301,787,315.04-120,903,050.56

Finding the Fourth Proportional to 218,681,896, 301,787,315.04 and 120,903,050.56

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Solution

The fourth proportional to 218,681,896, 301,787,315.04 and 120,903,050.56 is: 166,849,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,681,896 : 301,787,315.04 = 120,903,050.56 : x
  2. Step 2: Convert to fraction form
    218,681,896/301,787,315.04 = 120,903,050.56/x
  3. Step 3: Cross multiply
    218,681,896x = 301,787,315.04 × 120,903,050.56
  4. Step 4: Simplify right side
    218,681,896x = 36,487,007,008,647,768
  5. Step 5: Solve for x
    x = 36,487,007,008,647,768/218,681,896
  6. Step 6: Final answer
    x = 166,849,692.07

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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.