Home / 77,523,709.92-106,987,485.36-42,716,391.36

Finding the Fourth Proportional to 77,523,709.92, 106,987,485.36 and 42,716,391.36

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Solution

The fourth proportional to 77,523,709.92, 106,987,485.36 and 42,716,391.36 is: 58,951,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523,709.92 : 106,987,485.36 = 42,716,391.36 : x
  2. Step 2: Convert to fraction form
    77,523,709.92/106,987,485.36 = 42,716,391.36/x
  3. Step 3: Cross multiply
    77,523,709.92x = 106,987,485.36 × 42,716,391.36
  4. Step 4: Simplify right side
    77,523,709.92x = 4,570,119,295,260,030
  5. Step 5: Solve for x
    x = 4,570,119,295,260,030/77,523,709.92
  6. Step 6: Final answer
    x = 58,951,246.01

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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.