Home / 66,543,687.40-99,815,531.10-16,113,735.40

Finding the Fourth Proportional to 66,543,687.40, 99,815,531.10 and 16,113,735.40

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Solution

The fourth proportional to 66,543,687.40, 99,815,531.10 and 16,113,735.40 is: 24,170,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,543,687.40 : 99,815,531.10 = 16,113,735.40 : x
  2. Step 2: Convert to fraction form
    66,543,687.40/99,815,531.10 = 16,113,735.40/x
  3. Step 3: Cross multiply
    66,543,687.40x = 99,815,531.10 × 16,113,735.40
  4. Step 4: Simplify right side
    66,543,687.40x = 1,608,401,056,955,871
  5. Step 5: Solve for x
    x = 1,608,401,056,955,871/66,543,687.40
  6. Step 6: Final answer
    x = 24,170,603.10

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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.