Home / 70,956,437.40-106,434,656.10-55,650,936.60

Finding the Fourth Proportional to 70,956,437.40, 106,434,656.10 and 55,650,936.60

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Solution

The fourth proportional to 70,956,437.40, 106,434,656.10 and 55,650,936.60 is: 83,476,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956,437.40 : 106,434,656.10 = 55,650,936.60 : x
  2. Step 2: Convert to fraction form
    70,956,437.40/106,434,656.10 = 55,650,936.60/x
  3. Step 3: Cross multiply
    70,956,437.40x = 106,434,656.10 × 55,650,936.60
  4. Step 4: Simplify right side
    70,956,437.40x = 5,923,188,298,663,903
  5. Step 5: Solve for x
    x = 5,923,188,298,663,903/70,956,437.40
  6. Step 6: Final answer
    x = 83,476,404.90

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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.