Home / 77,352,270.85-115,998,582.07-34,197,788.53

Finding the Fourth Proportional to 77,352,270.85, 115,998,582.07 and 34,197,788.53

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Solution

The fourth proportional to 77,352,270.85, 115,998,582.07 and 34,197,788.53 is: 51,283,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352,270.85 : 115,998,582.07 = 34,197,788.53 : x
  2. Step 2: Convert to fraction form
    77,352,270.85/115,998,582.07 = 34,197,788.53/x
  3. Step 3: Cross multiply
    77,352,270.85x = 115,998,582.07 × 34,197,788.53
  4. Step 4: Simplify right side
    77,352,270.85x = 3,966,894,979,409,709.50
  5. Step 5: Solve for x
    x = 3,966,894,979,409,709.50/77,352,270.85
  6. Step 6: Final answer
    x = 51,283,497.38

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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.