Home / 321,544,126.26-482,122,001.19-144,248,802.72

Finding the Fourth Proportional to 321,544,126.26, 482,122,001.19 and 144,248,802.72

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Solution

The fourth proportional to 321,544,126.26, 482,122,001.19 and 144,248,802.72 is: 216,286,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,544,126.26 : 482,122,001.19 = 144,248,802.72 : x
  2. Step 2: Convert to fraction form
    321,544,126.26/482,122,001.19 = 144,248,802.72/x
  3. Step 3: Cross multiply
    321,544,126.26x = 482,122,001.19 × 144,248,802.72
  4. Step 4: Simplify right side
    321,544,126.26x = 69,545,521,436,627,912
  5. Step 5: Solve for x
    x = 69,545,521,436,627,912/321,544,126.26
  6. Step 6: Final answer
    x = 216,286,088.77

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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.