Home / 56,729,817.80-85,095,417.90-18,391,027.40

Finding the Fourth Proportional to 56,729,817.80, 85,095,417.90 and 18,391,027.40

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Solution

The fourth proportional to 56,729,817.80, 85,095,417.90 and 18,391,027.40 is: 27,586,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729,817.80 : 85,095,417.90 = 18,391,027.40 : x
  2. Step 2: Convert to fraction form
    56,729,817.80/85,095,417.90 = 18,391,027.40/x
  3. Step 3: Cross multiply
    56,729,817.80x = 85,095,417.90 × 18,391,027.40
  4. Step 4: Simplify right side
    56,729,817.80x = 1,564,992,162,213,350.50
  5. Step 5: Solve for x
    x = 1,564,992,162,213,350.50/56,729,817.80
  6. Step 6: Final answer
    x = 27,586,765.18

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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.