Home / 71,910,340.41-99,236,226.99-38,870,590.07

Finding the Fourth Proportional to 71,910,340.41, 99,236,226.99 and 38,870,590.07

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Solution

The fourth proportional to 71,910,340.41, 99,236,226.99 and 38,870,590.07 is: 53,641,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,910,340.41 : 99,236,226.99 = 38,870,590.07 : x
  2. Step 2: Convert to fraction form
    71,910,340.41/99,236,226.99 = 38,870,590.07/x
  3. Step 3: Cross multiply
    71,910,340.41x = 99,236,226.99 × 38,870,590.07
  4. Step 4: Simplify right side
    71,910,340.41x = 3,857,370,698,925,578.50
  5. Step 5: Solve for x
    x = 3,857,370,698,925,578.50/71,910,340.41
  6. Step 6: Final answer
    x = 53,641,391.17

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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.