Home / 107,871,679.40-161,812,242.30-31,202,457.80

Finding the Fourth Proportional to 107,871,679.40, 161,812,242.30 and 31,202,457.80

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Solution

The fourth proportional to 107,871,679.40, 161,812,242.30 and 31,202,457.80 is: 46,805,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,871,679.40 : 161,812,242.30 = 31,202,457.80 : x
  2. Step 2: Convert to fraction form
    107,871,679.40/161,812,242.30 = 31,202,457.80/x
  3. Step 3: Cross multiply
    107,871,679.40x = 161,812,242.30 × 31,202,457.80
  4. Step 4: Simplify right side
    107,871,679.40x = 5,048,939,661,889,125
  5. Step 5: Solve for x
    x = 5,048,939,661,889,125/107,871,679.40
  6. Step 6: Final answer
    x = 46,805,052.91

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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.