Home / 321,544,119.51-482,121,991.08-144,248,795.96

Finding the Fourth Proportional to 321,544,119.51, 482,121,991.08 and 144,248,795.96

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Solution

The fourth proportional to 321,544,119.51, 482,121,991.08 and 144,248,795.96 is: 216,286,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,544,119.51 : 482,121,991.08 = 144,248,795.96 : x
  2. Step 2: Convert to fraction form
    321,544,119.51/482,121,991.08 = 144,248,795.96/x
  3. Step 3: Cross multiply
    321,544,119.51x = 482,121,991.08 × 144,248,795.96
  4. Step 4: Simplify right side
    321,544,119.51x = 69,545,516,716,717,256
  5. Step 5: Solve for x
    x = 69,545,516,716,717,256/321,544,119.51
  6. Step 6: Final answer
    x = 216,286,078.63

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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.