Home / 252,775,925.27-379,148,754.15-105,186,209.78

Finding the Fourth Proportional to 252,775,925.27, 379,148,754.15 and 105,186,209.78

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Solution

The fourth proportional to 252,775,925.27, 379,148,754.15 and 105,186,209.78 is: 157,773,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,775,925.27 : 379,148,754.15 = 105,186,209.78 : x
  2. Step 2: Convert to fraction form
    252,775,925.27/379,148,754.15 = 105,186,209.78/x
  3. Step 3: Cross multiply
    252,775,925.27x = 379,148,754.15 × 105,186,209.78
  4. Step 4: Simplify right side
    252,775,925.27x = 39,881,220,392,795,416
  5. Step 5: Solve for x
    x = 39,881,220,392,795,416/252,775,925.27
  6. Step 6: Final answer
    x = 157,773,017.15

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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.