Home / 150,875,971.20-208,226,102.40-83,901,611.52

Finding the Fourth Proportional to 150,875,971.20, 208,226,102.40 and 83,901,611.52

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Solution

The fourth proportional to 150,875,971.20, 208,226,102.40 and 83,901,611.52 is: 115,793,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,875,971.20 : 208,226,102.40 = 83,901,611.52 : x
  2. Step 2: Convert to fraction form
    150,875,971.20/208,226,102.40 = 83,901,611.52/x
  3. Step 3: Cross multiply
    150,875,971.20x = 208,226,102.40 × 83,901,611.52
  4. Step 4: Simplify right side
    150,875,971.20x = 17,470,505,551,888,540
  5. Step 5: Solve for x
    x = 17,470,505,551,888,540/150,875,971.20
  6. Step 6: Final answer
    x = 115,793,823.32

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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.