Home / 156,627,907.92-216,181,085.04-87,037,218

Finding the Fourth Proportional to 156,627,907.92, 216,181,085.04 and 87,037,218

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Solution

The fourth proportional to 156,627,907.92, 216,181,085.04 and 87,037,218 is: 120,130,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627,907.92 : 216,181,085.04 = 87,037,218 : x
  2. Step 2: Convert to fraction form
    156,627,907.92/216,181,085.04 = 87,037,218/x
  3. Step 3: Cross multiply
    156,627,907.92x = 216,181,085.04 × 87,037,218
  4. Step 4: Simplify right side
    156,627,907.92x = 18,815,800,226,103,016
  5. Step 5: Solve for x
    x = 18,815,800,226,103,016/156,627,907.92
  6. Step 6: Final answer
    x = 120,130,572.36

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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.