Home / 52,064,552.18-78,122,418.91-20,938,966.90

Finding the Fourth Proportional to 52,064,552.18, 78,122,418.91 and 20,938,966.90

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Solution

The fourth proportional to 52,064,552.18, 78,122,418.91 and 20,938,966.90 is: 31,418,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,064,552.18 : 78,122,418.91 = 20,938,966.90 : x
  2. Step 2: Convert to fraction form
    52,064,552.18/78,122,418.91 = 20,938,966.90/x
  3. Step 3: Cross multiply
    52,064,552.18x = 78,122,418.91 × 20,938,966.90
  4. Step 4: Simplify right side
    52,064,552.18x = 1,635,802,743,456,770.75
  5. Step 5: Solve for x
    x = 1,635,802,743,456,770.75/52,064,552.18
  6. Step 6: Final answer
    x = 31,418,742.21

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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.