Home / 127,683,729.70-191,370,474.96-69,252,850.46

Finding the Fourth Proportional to 127,683,729.70, 191,370,474.96 and 69,252,850.46

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Solution

The fourth proportional to 127,683,729.70, 191,370,474.96 and 69,252,850.46 is: 103,795,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683,729.70 : 191,370,474.96 = 69,252,850.46 : x
  2. Step 2: Convert to fraction form
    127,683,729.70/191,370,474.96 = 69,252,850.46/x
  3. Step 3: Cross multiply
    127,683,729.70x = 191,370,474.96 × 69,252,850.46
  4. Step 4: Simplify right side
    127,683,729.70x = 13,252,950,884,864,054
  5. Step 5: Solve for x
    x = 13,252,950,884,864,054/127,683,729.70
  6. Step 6: Final answer
    x = 103,795,142.23

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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.