Home / 61,172,981.30-84,425,902.64-34,354,719.29

Finding the Fourth Proportional to 61,172,981.30, 84,425,902.64 and 34,354,719.29

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Solution

The fourth proportional to 61,172,981.30, 84,425,902.64 and 34,354,719.29 is: 47,413,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,172,981.30 : 84,425,902.64 = 34,354,719.29 : x
  2. Step 2: Convert to fraction form
    61,172,981.30/84,425,902.64 = 34,354,719.29/x
  3. Step 3: Cross multiply
    61,172,981.30x = 84,425,902.64 × 34,354,719.29
  4. Step 4: Simplify right side
    61,172,981.30x = 2,900,428,185,408,166.50
  5. Step 5: Solve for x
    x = 2,900,428,185,408,166.50/61,172,981.30
  6. Step 6: Final answer
    x = 47,413,549.64

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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.