Home / 253,456,499.64-349,710,020.82-143,448,209.40

Finding the Fourth Proportional to 253,456,499.64, 349,710,020.82 and 143,448,209.40

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Solution

The fourth proportional to 253,456,499.64, 349,710,020.82 and 143,448,209.40 is: 197,924,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,456,499.64 : 349,710,020.82 = 143,448,209.40 : x
  2. Step 2: Convert to fraction form
    253,456,499.64/349,710,020.82 = 143,448,209.40/x
  3. Step 3: Cross multiply
    253,456,499.64x = 349,710,020.82 × 143,448,209.40
  4. Step 4: Simplify right side
    253,456,499.64x = 50,165,276,295,865,720
  5. Step 5: Solve for x
    x = 50,165,276,295,865,720/253,456,499.64
  6. Step 6: Final answer
    x = 197,924,599.95

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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.