Home / 57,663,818.40-79,576,100.40-31,558,320.96

Finding the Fourth Proportional to 57,663,818.40, 79,576,100.40 and 31,558,320.96

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Solution

The fourth proportional to 57,663,818.40, 79,576,100.40 and 31,558,320.96 is: 43,550,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,663,818.40 : 79,576,100.40 = 31,558,320.96 : x
  2. Step 2: Convert to fraction form
    57,663,818.40/79,576,100.40 = 31,558,320.96/x
  3. Step 3: Cross multiply
    57,663,818.40x = 79,576,100.40 × 31,558,320.96
  4. Step 4: Simplify right side
    57,663,818.40x = 2,511,288,117,168,384.50
  5. Step 5: Solve for x
    x = 2,511,288,117,168,384.50/57,663,818.40
  6. Step 6: Final answer
    x = 43,550,499.89

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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.