Home / 66,737,249.56-100,069,300.52-20,666,328.24

Finding the Fourth Proportional to 66,737,249.56, 100,069,300.52 and 20,666,328.24

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Solution

The fourth proportional to 66,737,249.56, 100,069,300.52 and 20,666,328.24 is: 30,988,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737,249.56 : 100,069,300.52 = 20,666,328.24 : x
  2. Step 2: Convert to fraction form
    66,737,249.56/100,069,300.52 = 20,666,328.24/x
  3. Step 3: Cross multiply
    66,737,249.56x = 100,069,300.52 × 20,666,328.24
  4. Step 4: Simplify right side
    66,737,249.56x = 2,068,065,011,293,522.50
  5. Step 5: Solve for x
    x = 2,068,065,011,293,522.50/66,737,249.56
  6. Step 6: Final answer
    x = 30,988,166.65

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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.