Home / 226,399,231.34-312,429,061.14-127,280,420.55

Finding the Fourth Proportional to 226,399,231.34, 312,429,061.14 and 127,280,420.55

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Solution

The fourth proportional to 226,399,231.34, 312,429,061.14 and 127,280,420.55 is: 175,645,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,399,231.34 : 312,429,061.14 = 127,280,420.55 : x
  2. Step 2: Convert to fraction form
    226,399,231.34/312,429,061.14 = 127,280,420.55/x
  3. Step 3: Cross multiply
    226,399,231.34x = 312,429,061.14 × 127,280,420.55
  4. Step 4: Simplify right side
    226,399,231.34x = 39,766,102,293,463,560
  5. Step 5: Solve for x
    x = 39,766,102,293,463,560/226,399,231.34
  6. Step 6: Final answer
    x = 175,645,924.50

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1.5x scale

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.