Home / 77,257,590.66-115,984,721.81-50,077,619.06

Finding the Fourth Proportional to 77,257,590.66, 115,984,721.81 and 50,077,619.06

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Solution

The fourth proportional to 77,257,590.66, 115,984,721.81 and 50,077,619.06 is: 75,180,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,257,590.66 : 115,984,721.81 = 50,077,619.06 : x
  2. Step 2: Convert to fraction form
    77,257,590.66/115,984,721.81 = 50,077,619.06/x
  3. Step 3: Cross multiply
    77,257,590.66x = 115,984,721.81 × 50,077,619.06
  4. Step 4: Simplify right side
    77,257,590.66x = 5,808,238,715,126,524
  5. Step 5: Solve for x
    x = 5,808,238,715,126,524/77,257,590.66
  6. Step 6: Final answer
    x = 75,180,168.91

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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.