Home / 72,983,877.62-100,718,017.94-39,493,356.85

Finding the Fourth Proportional to 72,983,877.62, 100,718,017.94 and 39,493,356.85

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Solution

The fourth proportional to 72,983,877.62, 100,718,017.94 and 39,493,356.85 is: 54,500,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,983,877.62 : 100,718,017.94 = 39,493,356.85 : x
  2. Step 2: Convert to fraction form
    72,983,877.62/100,718,017.94 = 39,493,356.85/x
  3. Step 3: Cross multiply
    72,983,877.62x = 100,718,017.94 × 39,493,356.85
  4. Step 4: Simplify right side
    72,983,877.62x = 3,977,692,623,448,581.50
  5. Step 5: Solve for x
    x = 3,977,692,623,448,581.50/72,983,877.62
  6. Step 6: Final answer
    x = 54,500,976.84

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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.