Home / 61,930,374.85-85,337,986.75-47,906,569.36

Finding the Fourth Proportional to 61,930,374.85, 85,337,986.75 and 47,906,569.36

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Solution

The fourth proportional to 61,930,374.85, 85,337,986.75 and 47,906,569.36 is: 66,013,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930,374.85 : 85,337,986.75 = 47,906,569.36 : x
  2. Step 2: Convert to fraction form
    61,930,374.85/85,337,986.75 = 47,906,569.36/x
  3. Step 3: Cross multiply
    61,930,374.85x = 85,337,986.75 × 47,906,569.36
  4. Step 4: Simplify right side
    61,930,374.85x = 4,088,250,181,281,636
  5. Step 5: Solve for x
    x = 4,088,250,181,281,636/61,930,374.85
  6. Step 6: Final answer
    x = 66,013,651.48

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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.