Home / 385,563,088.06-532,071,618.42-218,295,035.98

Finding the Fourth Proportional to 385,563,088.06, 532,071,618.42 and 218,295,035.98

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Solution

The fourth proportional to 385,563,088.06, 532,071,618.42 and 218,295,035.98 is: 301,244,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,563,088.06 : 532,071,618.42 = 218,295,035.98 : x
  2. Step 2: Convert to fraction form
    385,563,088.06/532,071,618.42 = 218,295,035.98/x
  3. Step 3: Cross multiply
    385,563,088.06x = 532,071,618.42 × 218,295,035.98
  4. Step 4: Simplify right side
    385,563,088.06x = 116,148,593,086,930,736
  5. Step 5: Solve for x
    x = 116,148,593,086,930,736/385,563,088.06
  6. Step 6: Final answer
    x = 301,244,067.92

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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.