Home / 161,292,979.86-222,503,733.83-101,827,974.18

Finding the Fourth Proportional to 161,292,979.86, 222,503,733.83 and 101,827,974.18

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Solution

The fourth proportional to 161,292,979.86, 222,503,733.83 and 101,827,974.18 is: 140,471,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,292,979.86 : 222,503,733.83 = 101,827,974.18 : x
  2. Step 2: Convert to fraction form
    161,292,979.86/222,503,733.83 = 101,827,974.18/x
  3. Step 3: Cross multiply
    161,292,979.86x = 222,503,733.83 × 101,827,974.18
  4. Step 4: Simplify right side
    161,292,979.86x = 22,657,104,463,911,520
  5. Step 5: Solve for x
    x = 22,657,104,463,911,520/161,292,979.86
  6. Step 6: Final answer
    x = 140,471,733.39

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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.