Home / 75,570,467.78-104,319,424.32-50,805,017.69

Finding the Fourth Proportional to 75,570,467.78, 104,319,424.32 and 50,805,017.69

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Solution

The fourth proportional to 75,570,467.78, 104,319,424.32 and 50,805,017.69 is: 70,132,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570,467.78 : 104,319,424.32 = 50,805,017.69 : x
  2. Step 2: Convert to fraction form
    75,570,467.78/104,319,424.32 = 50,805,017.69/x
  3. Step 3: Cross multiply
    75,570,467.78x = 104,319,424.32 × 50,805,017.69
  4. Step 4: Simplify right side
    75,570,467.78x = 5,299,950,197,276,100
  5. Step 5: Solve for x
    x = 5,299,950,197,276,100/75,570,467.78
  6. Step 6: Final answer
    x = 70,132,557.77

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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.