Home / 348,020,871.76-480,281,137.32-191,400,091.84

Finding the Fourth Proportional to 348,020,871.76, 480,281,137.32 and 191,400,091.84

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Solution

The fourth proportional to 348,020,871.76, 480,281,137.32 and 191,400,091.84 is: 264,138,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,020,871.76 : 480,281,137.32 = 191,400,091.84 : x
  2. Step 2: Convert to fraction form
    348,020,871.76/480,281,137.32 = 191,400,091.84/x
  3. Step 3: Cross multiply
    348,020,871.76x = 480,281,137.32 × 191,400,091.84
  4. Step 4: Simplify right side
    348,020,871.76x = 91,925,853,792,067,648
  5. Step 5: Solve for x
    x = 91,925,853,792,067,648/348,020,871.76
  6. Step 6: Final answer
    x = 264,138,910.20

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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.