Home / 69,914,160.60-104,871,572.60-21,391,936.96

Finding the Fourth Proportional to 69,914,160.60, 104,871,572.60 and 21,391,936.96

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Solution

The fourth proportional to 69,914,160.60, 104,871,572.60 and 21,391,936.96 is: 32,088,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914,160.60 : 104,871,572.60 = 21,391,936.96 : x
  2. Step 2: Convert to fraction form
    69,914,160.60/104,871,572.60 = 21,391,936.96/x
  3. Step 3: Cross multiply
    69,914,160.60x = 104,871,572.60 × 21,391,936.96
  4. Step 4: Simplify right side
    69,914,160.60x = 2,243,406,069,955,263.25
  5. Step 5: Solve for x
    x = 2,243,406,069,955,263.25/69,914,160.60
  6. Step 6: Final answer
    x = 32,088,006.93

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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.