Home / 52,521,396.96-72,491,621.04-30,798,363.36

Finding the Fourth Proportional to 52,521,396.96, 72,491,621.04 and 30,798,363.36

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Solution

The fourth proportional to 52,521,396.96, 72,491,621.04 and 30,798,363.36 is: 42,508,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,521,396.96 : 72,491,621.04 = 30,798,363.36 : x
  2. Step 2: Convert to fraction form
    52,521,396.96/72,491,621.04 = 30,798,363.36/x
  3. Step 3: Cross multiply
    52,521,396.96x = 72,491,621.04 × 30,798,363.36
  4. Step 4: Simplify right side
    52,521,396.96x = 2,232,623,285,345,341.25
  5. Step 5: Solve for x
    x = 2,232,623,285,345,341.25/52,521,396.96
  6. Step 6: Final answer
    x = 42,508,832.87

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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.