Home / 107,871,678.40-161,812,240.80-31,202,456.80

Finding the Fourth Proportional to 107,871,678.40, 161,812,240.80 and 31,202,456.80

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Solution

The fourth proportional to 107,871,678.40, 161,812,240.80 and 31,202,456.80 is: 46,805,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,871,678.40 : 161,812,240.80 = 31,202,456.80 : x
  2. Step 2: Convert to fraction form
    107,871,678.40/161,812,240.80 = 31,202,456.80/x
  3. Step 3: Cross multiply
    107,871,678.40x = 161,812,240.80 × 31,202,456.80
  4. Step 4: Simplify right side
    107,871,678.40x = 5,048,939,453,273,198
  5. Step 5: Solve for x
    x = 5,048,939,453,273,198/107,871,678.40
  6. Step 6: Final answer
    x = 46,805,051.41

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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.