Home / 61,919,165.36-85,448,502.87-34,042,349.81

Finding the Fourth Proportional to 61,919,165.36, 85,448,502.87 and 34,042,349.81

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Solution

The fourth proportional to 61,919,165.36, 85,448,502.87 and 34,042,349.81 is: 46,978,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,919,165.36 : 85,448,502.87 = 34,042,349.81 : x
  2. Step 2: Convert to fraction form
    61,919,165.36/85,448,502.87 = 34,042,349.81/x
  3. Step 3: Cross multiply
    61,919,165.36x = 85,448,502.87 × 34,042,349.81
  4. Step 4: Simplify right side
    61,919,165.36x = 2,908,867,825,441,329.50
  5. Step 5: Solve for x
    x = 2,908,867,825,441,329.50/61,919,165.36
  6. Step 6: Final answer
    x = 46,978,472.80

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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.