Home / 112,455,860.90-168,683,791.35-67,068,904.10

Finding the Fourth Proportional to 112,455,860.90, 168,683,791.35 and 67,068,904.10

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Solution

The fourth proportional to 112,455,860.90, 168,683,791.35 and 67,068,904.10 is: 100,603,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,455,860.90 : 168,683,791.35 = 67,068,904.10 : x
  2. Step 2: Convert to fraction form
    112,455,860.90/168,683,791.35 = 67,068,904.10/x
  3. Step 3: Cross multiply
    112,455,860.90x = 168,683,791.35 × 67,068,904.10
  4. Step 4: Simplify right side
    112,455,860.90x = 11,313,437,025,277,560
  5. Step 5: Solve for x
    x = 11,313,437,025,277,560/112,455,860.90
  6. Step 6: Final answer
    x = 100,603,356.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.