Home / 252,746,081.10-379,119,121.65-209,663,930.70

Finding the Fourth Proportional to 252,746,081.10, 379,119,121.65 and 209,663,930.70

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Solution

The fourth proportional to 252,746,081.10, 379,119,121.65 and 209,663,930.70 is: 314,495,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,746,081.10 : 379,119,121.65 = 209,663,930.70 : x
  2. Step 2: Convert to fraction form
    252,746,081.10/379,119,121.65 = 209,663,930.70/x
  3. Step 3: Cross multiply
    252,746,081.10x = 379,119,121.65 × 209,663,930.70
  4. Step 4: Simplify right side
    252,746,081.10x = 79,487,605,248,670,464
  5. Step 5: Solve for x
    x = 79,487,605,248,670,464/252,746,081.10
  6. Step 6: Final answer
    x = 314,495,896.05

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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.