Home / 221,377,305.96-305,495,454.42-122,256,079.92

Finding the Fourth Proportional to 221,377,305.96, 305,495,454.42 and 122,256,079.92

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Solution

The fourth proportional to 221,377,305.96, 305,495,454.42 and 122,256,079.92 is: 168,710,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,377,305.96 : 305,495,454.42 = 122,256,079.92 : x
  2. Step 2: Convert to fraction form
    221,377,305.96/305,495,454.42 = 122,256,079.92/x
  3. Step 3: Cross multiply
    221,377,305.96x = 305,495,454.42 × 122,256,079.92
  4. Step 4: Simplify right side
    221,377,305.96x = 37,348,676,690,768,240
  5. Step 5: Solve for x
    x = 37,348,676,690,768,240/221,377,305.96
  6. Step 6: Final answer
    x = 168,710,503.22

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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.