Home / 345,186,259.88-476,357,020.41-186,416,367.55

Finding the Fourth Proportional to 345,186,259.88, 476,357,020.41 and 186,416,367.55

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Solution

The fourth proportional to 345,186,259.88, 476,357,020.41 and 186,416,367.55 is: 257,254,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,186,259.88 : 476,357,020.41 = 186,416,367.55 : x
  2. Step 2: Convert to fraction form
    345,186,259.88/476,357,020.41 = 186,416,367.55/x
  3. Step 3: Cross multiply
    345,186,259.88x = 476,357,020.41 × 186,416,367.55
  4. Step 4: Simplify right side
    345,186,259.88x = 88,800,745,403,434,864
  5. Step 5: Solve for x
    x = 88,800,745,403,434,864/345,186,259.88
  6. Step 6: Final answer
    x = 257,254,577.38

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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.