Home / 68,445,657-94,455,006.66-39,472,281

Finding the Fourth Proportional to 68,445,657, 94,455,006.66 and 39,472,281

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Solution

The fourth proportional to 68,445,657, 94,455,006.66 and 39,472,281 is: 54,471,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445,657 : 94,455,006.66 = 39,472,281 : x
  2. Step 2: Convert to fraction form
    68,445,657/94,455,006.66 = 39,472,281/x
  3. Step 3: Cross multiply
    68,445,657x = 94,455,006.66 × 39,472,281
  4. Step 4: Simplify right side
    68,445,657x = 3,728,354,564,740,391.50
  5. Step 5: Solve for x
    x = 3,728,354,564,740,391.50/68,445,657
  6. Step 6: Final answer
    x = 54,471,747.78

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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.