Home / 199,974,936.96-299,900,375.64-70,552,281.60

Finding the Fourth Proportional to 199,974,936.96, 299,900,375.64 and 70,552,281.60

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Solution

The fourth proportional to 199,974,936.96, 299,900,375.64 and 70,552,281.60 is: 105,806,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,974,936.96 : 299,900,375.64 = 70,552,281.60 : x
  2. Step 2: Convert to fraction form
    199,974,936.96/299,900,375.64 = 70,552,281.60/x
  3. Step 3: Cross multiply
    199,974,936.96x = 299,900,375.64 × 70,552,281.60
  4. Step 4: Simplify right side
    199,974,936.96x = 21,158,655,754,099,056
  5. Step 5: Solve for x
    x = 21,158,655,754,099,056/199,974,936.96
  6. Step 6: Final answer
    x = 105,806,537.94

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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.