Home / 226,567,897,903.80-312,664,969,069.74-128,909,536,479.13

Finding the Fourth Proportional to 226,567,897,903.80, 312,664,969,069.74 and 128,909,536,479.13

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Solution

The fourth proportional to 226,567,897,903.80, 312,664,969,069.74 and 128,909,536,479.13 is: 177,895,882,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,567,897,903.80 : 312,664,969,069.74 = 128,909,536,479.13 : x
  2. Step 2: Convert to fraction form
    226,567,897,903.80/312,664,969,069.74 = 128,909,536,479.13/x
  3. Step 3: Cross multiply
    226,567,897,903.80x = 312,664,969,069.74 × 128,909,536,479.13
  4. Step 4: Simplify right side
    226,567,897,903.80x = 40,305,496,236,041,701,425,152
  5. Step 5: Solve for x
    x = 40,305,496,236,041,701,425,152/226,567,897,903.80
  6. Step 6: Final answer
    x = 177,895,882,907.27

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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.