Home / 216,991,660.32-299,448,607.88-119,212,814.88

Finding the Fourth Proportional to 216,991,660.32, 299,448,607.88 and 119,212,814.88

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Solution

The fourth proportional to 216,991,660.32, 299,448,607.88 and 119,212,814.88 is: 164,513,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,991,660.32 : 299,448,607.88 = 119,212,814.88 : x
  2. Step 2: Convert to fraction form
    216,991,660.32/299,448,607.88 = 119,212,814.88/x
  3. Step 3: Cross multiply
    216,991,660.32x = 299,448,607.88 × 119,212,814.88
  4. Step 4: Simplify right side
    216,991,660.32x = 35,698,111,456,676,084
  5. Step 5: Solve for x
    x = 35,698,111,456,676,084/216,991,660.32
  6. Step 6: Final answer
    x = 164,513,748.61

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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.