Home / 100,393,391.16-150,597,004.66-42,042,318.14

Finding the Fourth Proportional to 100,393,391.16, 150,597,004.66 and 42,042,318.14

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Solution

The fourth proportional to 100,393,391.16, 150,597,004.66 and 42,042,318.14 is: 63,066,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,393,391.16 : 150,597,004.66 = 42,042,318.14 : x
  2. Step 2: Convert to fraction form
    100,393,391.16/150,597,004.66 = 42,042,318.14/x
  3. Step 3: Cross multiply
    100,393,391.16x = 150,597,004.66 × 42,042,318.14
  4. Step 4: Simplify right side
    100,393,391.16x = 6,331,447,181,118,169
  5. Step 5: Solve for x
    x = 6,331,447,181,118,169/100,393,391.16
  6. Step 6: Final answer
    x = 63,066,374.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.