Home / 266,323,657.51-399,447,932.41-91,443,924.51

Finding the Fourth Proportional to 266,323,657.51, 399,447,932.41 and 91,443,924.51

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Solution

The fourth proportional to 266,323,657.51, 399,447,932.41 and 91,443,924.51 is: 137,152,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,323,657.51 : 399,447,932.41 = 91,443,924.51 : x
  2. Step 2: Convert to fraction form
    266,323,657.51/399,447,932.41 = 91,443,924.51/x
  3. Step 3: Cross multiply
    266,323,657.51x = 399,447,932.41 × 91,443,924.51
  4. Step 4: Simplify right side
    266,323,657.51x = 36,527,086,578,447,704
  5. Step 5: Solve for x
    x = 36,527,086,578,447,704/266,323,657.51
  6. Step 6: Final answer
    x = 137,152,992.41

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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.