Home / 57,348,195.87-79,140,097.40-31,242,705.87

Finding the Fourth Proportional to 57,348,195.87, 79,140,097.40 and 31,242,705.87

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Solution

The fourth proportional to 57,348,195.87, 79,140,097.40 and 31,242,705.87 is: 43,114,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,348,195.87 : 79,140,097.40 = 31,242,705.87 : x
  2. Step 2: Convert to fraction form
    57,348,195.87/79,140,097.40 = 31,242,705.87/x
  3. Step 3: Cross multiply
    57,348,195.87x = 79,140,097.40 × 31,242,705.87
  4. Step 4: Simplify right side
    57,348,195.87x = 2,472,550,785,435,138
  5. Step 5: Solve for x
    x = 2,472,550,785,435,138/57,348,195.87
  6. Step 6: Final answer
    x = 43,114,709.15

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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.