Home / 270,834,406.21-406,123,542.16-104,915,619.69

Finding the Fourth Proportional to 270,834,406.21, 406,123,542.16 and 104,915,619.69

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Solution

The fourth proportional to 270,834,406.21, 406,123,542.16 and 104,915,619.69 is: 157,323,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,834,406.21 : 406,123,542.16 = 104,915,619.69 : x
  2. Step 2: Convert to fraction form
    270,834,406.21/406,123,542.16 = 104,915,619.69/x
  3. Step 3: Cross multiply
    270,834,406.21x = 406,123,542.16 × 104,915,619.69
  4. Step 4: Simplify right side
    270,834,406.21x = 42,608,703,095,889,656
  5. Step 5: Solve for x
    x = 42,608,703,095,889,656/270,834,406.21
  6. Step 6: Final answer
    x = 157,323,818.98

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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.