Home / 73,317,456.40-109,976,184.60-72,183,715.60

Finding the Fourth Proportional to 73,317,456.40, 109,976,184.60 and 72,183,715.60

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Solution

The fourth proportional to 73,317,456.40, 109,976,184.60 and 72,183,715.60 is: 108,275,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,317,456.40 : 109,976,184.60 = 72,183,715.60 : x
  2. Step 2: Convert to fraction form
    73,317,456.40/109,976,184.60 = 72,183,715.60/x
  3. Step 3: Cross multiply
    73,317,456.40x = 109,976,184.60 × 72,183,715.60
  4. Step 4: Simplify right side
    73,317,456.40x = 7,938,489,631,939,499
  5. Step 5: Solve for x
    x = 7,938,489,631,939,499/73,317,456.40
  6. Step 6: Final answer
    x = 108,275,573.40

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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.