Home / 57,947,667.80-86,931,999.30-29,121,258.20

Finding the Fourth Proportional to 57,947,667.80, 86,931,999.30 and 29,121,258.20

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Solution

The fourth proportional to 57,947,667.80, 86,931,999.30 and 29,121,258.20 is: 43,687,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,947,667.80 : 86,931,999.30 = 29,121,258.20 : x
  2. Step 2: Convert to fraction form
    57,947,667.80/86,931,999.30 = 29,121,258.20/x
  3. Step 3: Cross multiply
    57,947,667.80x = 86,931,999.30 × 29,121,258.20
  4. Step 4: Simplify right side
    57,947,667.80x = 2,531,569,197,457,519
  5. Step 5: Solve for x
    x = 2,531,569,197,457,519/57,947,667.80
  6. Step 6: Final answer
    x = 43,687,162.81

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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.