Home / 68,241,611.40-102,362,417.10-45,283,360.20

Finding the Fourth Proportional to 68,241,611.40, 102,362,417.10 and 45,283,360.20

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Solution

The fourth proportional to 68,241,611.40, 102,362,417.10 and 45,283,360.20 is: 67,925,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,241,611.40 : 102,362,417.10 = 45,283,360.20 : x
  2. Step 2: Convert to fraction form
    68,241,611.40/102,362,417.10 = 45,283,360.20/x
  3. Step 3: Cross multiply
    68,241,611.40x = 102,362,417.10 × 45,283,360.20
  4. Step 4: Simplify right side
    68,241,611.40x = 4,635,314,204,481,939
  5. Step 5: Solve for x
    x = 4,635,314,204,481,939/68,241,611.40
  6. Step 6: Final answer
    x = 67,925,040.30

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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.