Home / 20,681,719,828.80-31,042,063,288.80-10,874,106,081.60

Finding the Fourth Proportional to 20,681,719,828.80, 31,042,063,288.80 and 10,874,106,081.60

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Solution

The fourth proportional to 20,681,719,828.80, 31,042,063,288.80 and 10,874,106,081.60 is: 16,321,403,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,719,828.80 : 31,042,063,288.80 = 10,874,106,081.60 : x
  2. Step 2: Convert to fraction form
    20,681,719,828.80/31,042,063,288.80 = 10,874,106,081.60/x
  3. Step 3: Cross multiply
    20,681,719,828.80x = 31,042,063,288.80 × 10,874,106,081.60
  4. Step 4: Simplify right side
    20,681,719,828.80x = 337,554,689,194,152,165,376
  5. Step 5: Solve for x
    x = 337,554,689,194,152,165,376/20,681,719,828.80
  6. Step 6: Final answer
    x = 16,321,403,248.30

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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.