Home / 68,241,900.40-102,362,850.60-56,125,045.60

Finding the Fourth Proportional to 68,241,900.40, 102,362,850.60 and 56,125,045.60

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Solution

The fourth proportional to 68,241,900.40, 102,362,850.60 and 56,125,045.60 is: 84,187,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,241,900.40 : 102,362,850.60 = 56,125,045.60 : x
  2. Step 2: Convert to fraction form
    68,241,900.40/102,362,850.60 = 56,125,045.60/x
  3. Step 3: Cross multiply
    68,241,900.40x = 102,362,850.60 × 56,125,045.60
  4. Step 4: Simplify right side
    68,241,900.40x = 5,745,119,657,670,987
  5. Step 5: Solve for x
    x = 5,745,119,657,670,987/68,241,900.40
  6. Step 6: Final answer
    x = 84,187,568.40

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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.