Home / 107,871,681.40-161,812,245.30-31,202,459.80

Finding the Fourth Proportional to 107,871,681.40, 161,812,245.30 and 31,202,459.80

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Solution

The fourth proportional to 107,871,681.40, 161,812,245.30 and 31,202,459.80 is: 46,805,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,871,681.40 : 161,812,245.30 = 31,202,459.80 : x
  2. Step 2: Convert to fraction form
    107,871,681.40/161,812,245.30 = 31,202,459.80/x
  3. Step 3: Cross multiply
    107,871,681.40x = 161,812,245.30 × 31,202,459.80
  4. Step 4: Simplify right side
    107,871,681.40x = 5,048,940,079,120,989
  5. Step 5: Solve for x
    x = 5,048,940,079,120,989/107,871,681.40
  6. Step 6: Final answer
    x = 46,805,055.91

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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.