Home / 112,072,364.90-168,140,040.15-54,566,512.10

Finding the Fourth Proportional to 112,072,364.90, 168,140,040.15 and 54,566,512.10

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Solution

The fourth proportional to 112,072,364.90, 168,140,040.15 and 54,566,512.10 is: 81,865,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,364.90 : 168,140,040.15 = 54,566,512.10 : x
  2. Step 2: Convert to fraction form
    112,072,364.90/168,140,040.15 = 54,566,512.10/x
  3. Step 3: Cross multiply
    112,072,364.90x = 168,140,040.15 × 54,566,512.10
  4. Step 4: Simplify right side
    112,072,364.90x = 9,174,815,535,339,462
  5. Step 5: Solve for x
    x = 9,174,815,535,339,462/112,072,364.90
  6. Step 6: Final answer
    x = 81,865,101.57

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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.