Home / 211,782,410.96-316,698,405.78-201,451,197.92

Finding the Fourth Proportional to 211,782,410.96, 316,698,405.78 and 201,451,197.92

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Solution

The fourth proportional to 211,782,410.96, 316,698,405.78 and 201,451,197.92 is: 301,249,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,782,410.96 : 316,698,405.78 = 201,451,197.92 : x
  2. Step 2: Convert to fraction form
    211,782,410.96/316,698,405.78 = 201,451,197.92/x
  3. Step 3: Cross multiply
    211,782,410.96x = 316,698,405.78 × 201,451,197.92
  4. Step 4: Simplify right side
    211,782,410.96x = 63,799,273,222,151,752
  5. Step 5: Solve for x
    x = 63,799,273,222,151,752/211,782,410.96
  6. Step 6: Final answer
    x = 301,249,159.15

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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.