Home / 71,032,942.80-98,025,719.40-38,437,894.80

Finding the Fourth Proportional to 71,032,942.80, 98,025,719.40 and 38,437,894.80

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Solution

The fourth proportional to 71,032,942.80, 98,025,719.40 and 38,437,894.80 is: 53,044,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,032,942.80 : 98,025,719.40 = 38,437,894.80 : x
  2. Step 2: Convert to fraction form
    71,032,942.80/98,025,719.40 = 38,437,894.80/x
  3. Step 3: Cross multiply
    71,032,942.80x = 98,025,719.40 × 38,437,894.80
  4. Step 4: Simplify right side
    71,032,942.80x = 3,767,902,289,991,519
  5. Step 5: Solve for x
    x = 3,767,902,289,991,519/71,032,942.80
  6. Step 6: Final answer
    x = 53,044,434.62

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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.