Home / 112,006,420.20-167,673,707.10-66,544,813.80

Finding the Fourth Proportional to 112,006,420.20, 167,673,707.10 and 66,544,813.80

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Solution

The fourth proportional to 112,006,420.20, 167,673,707.10 and 66,544,813.80 is: 99,617,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,006,420.20 : 167,673,707.10 = 66,544,813.80 : x
  2. Step 2: Convert to fraction form
    112,006,420.20/167,673,707.10 = 66,544,813.80/x
  3. Step 3: Cross multiply
    112,006,420.20x = 167,673,707.10 × 66,544,813.80
  4. Step 4: Simplify right side
    112,006,420.20x = 11,157,815,618,125,238
  5. Step 5: Solve for x
    x = 11,157,815,618,125,238/112,006,420.20
  6. Step 6: Final answer
    x = 99,617,643.33

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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.