Home / 161,726,819.20-242,590,228.80-144,258,812.80

Finding the Fourth Proportional to 161,726,819.20, 242,590,228.80 and 144,258,812.80

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Solution

The fourth proportional to 161,726,819.20, 242,590,228.80 and 144,258,812.80 is: 216,388,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726,819.20 : 242,590,228.80 = 144,258,812.80 : x
  2. Step 2: Convert to fraction form
    161,726,819.20/242,590,228.80 = 144,258,812.80/x
  3. Step 3: Cross multiply
    161,726,819.20x = 242,590,228.80 × 144,258,812.80
  4. Step 4: Simplify right side
    161,726,819.20x = 34,995,778,403,568,372
  5. Step 5: Solve for x
    x = 34,995,778,403,568,372/161,726,819.20
  6. Step 6: Final answer
    x = 216,388,219.20

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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.