Home / 85,536,029.20-128,304,043.80-37,760,285.20

Finding the Fourth Proportional to 85,536,029.20, 128,304,043.80 and 37,760,285.20

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Solution

The fourth proportional to 85,536,029.20, 128,304,043.80 and 37,760,285.20 is: 56,640,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,029.20 : 128,304,043.80 = 37,760,285.20 : x
  2. Step 2: Convert to fraction form
    85,536,029.20/128,304,043.80 = 37,760,285.20/x
  3. Step 3: Cross multiply
    85,536,029.20x = 128,304,043.80 × 37,760,285.20
  4. Step 4: Simplify right side
    85,536,029.20x = 4,844,797,286,201,292
  5. Step 5: Solve for x
    x = 4,844,797,286,201,292/85,536,029.20
  6. Step 6: Final answer
    x = 56,640,427.80

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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.