Home / 210,994,986.66-316,782,380.61-107,433,767.76

Finding the Fourth Proportional to 210,994,986.66, 316,782,380.61 and 107,433,767.76

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Solution

The fourth proportional to 210,994,986.66, 316,782,380.61 and 107,433,767.76 is: 161,298,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,994,986.66 : 316,782,380.61 = 107,433,767.76 : x
  2. Step 2: Convert to fraction form
    210,994,986.66/316,782,380.61 = 107,433,767.76/x
  3. Step 3: Cross multiply
    210,994,986.66x = 316,782,380.61 × 107,433,767.76
  4. Step 4: Simplify right side
    210,994,986.66x = 34,033,124,708,914,672
  5. Step 5: Solve for x
    x = 34,033,124,708,914,672/210,994,986.66
  6. Step 6: Final answer
    x = 161,298,262.33

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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.