Home / 77,810,894.73-107,428,557.76-48,485,309.67

Finding the Fourth Proportional to 77,810,894.73, 107,428,557.76 and 48,485,309.67

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Solution

The fourth proportional to 77,810,894.73, 107,428,557.76 and 48,485,309.67 is: 66,940,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,810,894.73 : 107,428,557.76 = 48,485,309.67 : x
  2. Step 2: Convert to fraction form
    77,810,894.73/107,428,557.76 = 48,485,309.67/x
  3. Step 3: Cross multiply
    77,810,894.73x = 107,428,557.76 × 48,485,309.67
  4. Step 4: Simplify right side
    77,810,894.73x = 5,208,706,890,273,868
  5. Step 5: Solve for x
    x = 5,208,706,890,273,868/77,810,894.73
  6. Step 6: Final answer
    x = 66,940,586.00

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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.