Home / 209,921,302.20-314,940,935.70-102,219,439.80

Finding the Fourth Proportional to 209,921,302.20, 314,940,935.70 and 102,219,439.80

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Solution

The fourth proportional to 209,921,302.20, 314,940,935.70 and 102,219,439.80 is: 153,357,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,921,302.20 : 314,940,935.70 = 102,219,439.80 : x
  2. Step 2: Convert to fraction form
    209,921,302.20/314,940,935.70 = 102,219,439.80/x
  3. Step 3: Cross multiply
    209,921,302.20x = 314,940,935.70 × 102,219,439.80
  4. Step 4: Simplify right side
    209,921,302.20x = 32,193,086,017,341,820
  5. Step 5: Solve for x
    x = 32,193,086,017,341,820/209,921,302.20
  6. Step 6: Final answer
    x = 153,357,880.69

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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.