Home / 61,783,921.70-92,675,882.55-47,479,192.10

Finding the Fourth Proportional to 61,783,921.70, 92,675,882.55 and 47,479,192.10

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Solution

The fourth proportional to 61,783,921.70, 92,675,882.55 and 47,479,192.10 is: 71,218,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,783,921.70 : 92,675,882.55 = 47,479,192.10 : x
  2. Step 2: Convert to fraction form
    61,783,921.70/92,675,882.55 = 47,479,192.10/x
  3. Step 3: Cross multiply
    61,783,921.70x = 92,675,882.55 × 47,479,192.10
  4. Step 4: Simplify right side
    61,783,921.70x = 4,400,176,030,628,488
  5. Step 5: Solve for x
    x = 4,400,176,030,628,488/61,783,921.70
  6. Step 6: Final answer
    x = 71,218,788.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.