Home / 188,972,328.07-260,781,810.57-102,052,200.07

Finding the Fourth Proportional to 188,972,328.07, 260,781,810.57 and 102,052,200.07

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Solution

The fourth proportional to 188,972,328.07, 260,781,810.57 and 102,052,200.07 is: 140,832,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,972,328.07 : 260,781,810.57 = 102,052,200.07 : x
  2. Step 2: Convert to fraction form
    188,972,328.07/260,781,810.57 = 102,052,200.07/x
  3. Step 3: Cross multiply
    188,972,328.07x = 260,781,810.57 × 102,052,200.07
  4. Step 4: Simplify right side
    188,972,328.07x = 26,613,357,506,906,480
  5. Step 5: Solve for x
    x = 26,613,357,506,906,480/188,972,328.07
  6. Step 6: Final answer
    x = 140,832,034.93

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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.