Home / 66,446,915.20-99,689,035.20-32,369,372.80

Finding the Fourth Proportional to 66,446,915.20, 99,689,035.20 and 32,369,372.80

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Solution

The fourth proportional to 66,446,915.20, 99,689,035.20 and 32,369,372.80 is: 48,563,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446,915.20 : 99,689,035.20 = 32,369,372.80 : x
  2. Step 2: Convert to fraction form
    66,446,915.20/99,689,035.20 = 32,369,372.80/x
  3. Step 3: Cross multiply
    66,446,915.20x = 99,689,035.20 × 32,369,372.80
  4. Step 4: Simplify right side
    66,446,915.20x = 3,226,871,544,461,122.50
  5. Step 5: Solve for x
    x = 3,226,871,544,461,122.50/66,446,915.20
  6. Step 6: Final answer
    x = 48,563,150.52

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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.