Home / 65,677,554.86-90,619,989.13-39,210,757.65

Finding the Fourth Proportional to 65,677,554.86, 90,619,989.13 and 39,210,757.65

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Solution

The fourth proportional to 65,677,554.86, 90,619,989.13 and 39,210,757.65 is: 54,101,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,677,554.86 : 90,619,989.13 = 39,210,757.65 : x
  2. Step 2: Convert to fraction form
    65,677,554.86/90,619,989.13 = 39,210,757.65/x
  3. Step 3: Cross multiply
    65,677,554.86x = 90,619,989.13 × 39,210,757.65
  4. Step 4: Simplify right side
    65,677,554.86x = 3,553,278,432,248,614.50
  5. Step 5: Solve for x
    x = 3,553,278,432,248,614.50/65,677,554.86
  6. Step 6: Final answer
    x = 54,101,868.44

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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.