Home / 107,871,141.40-161,811,435.30-31,201,919.80

Finding the Fourth Proportional to 107,871,141.40, 161,811,435.30 and 31,201,919.80

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Solution

The fourth proportional to 107,871,141.40, 161,811,435.30 and 31,201,919.80 is: 46,804,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,871,141.40 : 161,811,435.30 = 31,201,919.80 : x
  2. Step 2: Convert to fraction form
    107,871,141.40/161,811,435.30 = 31,201,919.80/x
  3. Step 3: Cross multiply
    107,871,141.40x = 161,811,435.30 × 31,201,919.80
  4. Step 4: Simplify right side
    107,871,141.40x = 5,048,827,426,953,489
  5. Step 5: Solve for x
    x = 5,048,827,426,953,489/107,871,141.40
  6. Step 6: Final answer
    x = 46,804,245.89

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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.