Home / 105,396,895.86-145,447,695-58,987,144.78

Finding the Fourth Proportional to 105,396,895.86, 145,447,695 and 58,987,144.78

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Solution

The fourth proportional to 105,396,895.86, 145,447,695 and 58,987,144.78 is: 81,402,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,396,895.86 : 145,447,695 = 58,987,144.78 : x
  2. Step 2: Convert to fraction form
    105,396,895.86/145,447,695 = 58,987,144.78/x
  3. Step 3: Cross multiply
    105,396,895.86x = 145,447,695 × 58,987,144.78
  4. Step 4: Simplify right side
    105,396,895.86x = 8,579,544,242,882,282
  5. Step 5: Solve for x
    x = 8,579,544,242,882,282/105,396,895.86
  6. Step 6: Final answer
    x = 81,402,247.88

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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.