Home / 85,536,076.40-128,192,140.20-34,376,217.20

Finding the Fourth Proportional to 85,536,076.40, 128,192,140.20 and 34,376,217.20

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Solution

The fourth proportional to 85,536,076.40, 128,192,140.20 and 34,376,217.20 is: 51,519,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,076.40 : 128,192,140.20 = 34,376,217.20 : x
  2. Step 2: Convert to fraction form
    85,536,076.40/128,192,140.20 = 34,376,217.20/x
  3. Step 3: Cross multiply
    85,536,076.40x = 128,192,140.20 × 34,376,217.20
  4. Step 4: Simplify right side
    85,536,076.40x = 4,406,760,854,848,052
  5. Step 5: Solve for x
    x = 4,406,760,854,848,052/85,536,076.40
  6. Step 6: Final answer
    x = 51,519,324.25

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1.5x scale

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.