Home / 118,412,221.33-163,400,569.99-68,849,078.77

Finding the Fourth Proportional to 118,412,221.33, 163,400,569.99 and 68,849,078.77

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Solution

The fourth proportional to 118,412,221.33, 163,400,569.99 and 68,849,078.77 is: 95,006,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,412,221.33 : 163,400,569.99 = 68,849,078.77 : x
  2. Step 2: Convert to fraction form
    118,412,221.33/163,400,569.99 = 68,849,078.77/x
  3. Step 3: Cross multiply
    118,412,221.33x = 163,400,569.99 × 68,849,078.77
  4. Step 4: Simplify right side
    118,412,221.33x = 11,249,978,714,304,408
  5. Step 5: Solve for x
    x = 11,249,978,714,304,408/118,412,221.33
  6. Step 6: Final answer
    x = 95,006,905.44

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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.