Home / 218,681,914.50-301,787,340.57-120,903,069.06

Finding the Fourth Proportional to 218,681,914.50, 301,787,340.57 and 120,903,069.06

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Solution

The fourth proportional to 218,681,914.50, 301,787,340.57 and 120,903,069.06 is: 166,849,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,681,914.50 : 301,787,340.57 = 120,903,069.06 : x
  2. Step 2: Convert to fraction form
    218,681,914.50/301,787,340.57 = 120,903,069.06/x
  3. Step 3: Cross multiply
    218,681,914.50x = 301,787,340.57 × 120,903,069.06
  4. Step 4: Simplify right side
    218,681,914.50x = 36,487,015,678,368,448
  5. Step 5: Solve for x
    x = 36,487,015,678,368,448/218,681,914.50
  6. Step 6: Final answer
    x = 166,849,717.60

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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.