Home / 218,052,350.10-300,915,790.88-118,933,072.38

Finding the Fourth Proportional to 218,052,350.10, 300,915,790.88 and 118,933,072.38

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Solution

The fourth proportional to 218,052,350.10, 300,915,790.88 and 118,933,072.38 is: 164,129,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,052,350.10 : 300,915,790.88 = 118,933,072.38 : x
  2. Step 2: Convert to fraction form
    218,052,350.10/300,915,790.88 = 118,933,072.38/x
  3. Step 3: Cross multiply
    218,052,350.10x = 300,915,790.88 × 118,933,072.38
  4. Step 4: Simplify right side
    218,052,350.10x = 35,788,839,536,421,316
  5. Step 5: Solve for x
    x = 35,788,839,536,421,316/218,052,350.10
  6. Step 6: Final answer
    x = 164,129,574.94

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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.