Home / 231,172,471.80-346,758,707.70-210,009,310.20

Finding the Fourth Proportional to 231,172,471.80, 346,758,707.70 and 210,009,310.20

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Solution

The fourth proportional to 231,172,471.80, 346,758,707.70 and 210,009,310.20 is: 315,013,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,172,471.80 : 346,758,707.70 = 210,009,310.20 : x
  2. Step 2: Convert to fraction form
    231,172,471.80/346,758,707.70 = 210,009,310.20/x
  3. Step 3: Cross multiply
    231,172,471.80x = 346,758,707.70 × 210,009,310.20
  4. Step 4: Simplify right side
    231,172,471.80x = 72,822,557,009,920,416
  5. Step 5: Solve for x
    x = 72,822,557,009,920,416/231,172,471.80
  6. Step 6: Final answer
    x = 315,013,965.30

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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.