Home / 57,271,258.70-79,035,288.27-31,166,876.78

Finding the Fourth Proportional to 57,271,258.70, 79,035,288.27 and 31,166,876.78

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Solution

The fourth proportional to 57,271,258.70, 79,035,288.27 and 31,166,876.78 is: 43,010,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271,258.70 : 79,035,288.27 = 31,166,876.78 : x
  2. Step 2: Convert to fraction form
    57,271,258.70/79,035,288.27 = 31,166,876.78/x
  3. Step 3: Cross multiply
    57,271,258.70x = 79,035,288.27 × 31,166,876.78
  4. Step 4: Simplify right side
    57,271,258.70x = 2,463,283,090,782,869.50
  5. Step 5: Solve for x
    x = 2,463,283,090,782,869.50/57,271,258.70
  6. Step 6: Final answer
    x = 43,010,807.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.