Home / 61,853,731.44-85,288,199.64-39,497,320.76

Finding the Fourth Proportional to 61,853,731.44, 85,288,199.64 and 39,497,320.76

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Solution

The fourth proportional to 61,853,731.44, 85,288,199.64 and 39,497,320.76 is: 54,461,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853,731.44 : 85,288,199.64 = 39,497,320.76 : x
  2. Step 2: Convert to fraction form
    61,853,731.44/85,288,199.64 = 39,497,320.76/x
  3. Step 3: Cross multiply
    61,853,731.44x = 85,288,199.64 × 39,497,320.76
  4. Step 4: Simplify right side
    61,853,731.44x = 3,368,655,378,223,996.50
  5. Step 5: Solve for x
    x = 3,368,655,378,223,996.50/61,853,731.44
  6. Step 6: Final answer
    x = 54,461,635.54

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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.