Home / 268,254,223.62-402,537,487.23-112,796,781.54

Finding the Fourth Proportional to 268,254,223.62, 402,537,487.23 and 112,796,781.54

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Solution

The fourth proportional to 268,254,223.62, 402,537,487.23 and 112,796,781.54 is: 169,260,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,254,223.62 : 402,537,487.23 = 112,796,781.54 : x
  2. Step 2: Convert to fraction form
    268,254,223.62/402,537,487.23 = 112,796,781.54/x
  3. Step 3: Cross multiply
    268,254,223.62x = 402,537,487.23 × 112,796,781.54
  4. Step 4: Simplify right side
    268,254,223.62x = 45,404,933,008,742,856
  5. Step 5: Solve for x
    x = 45,404,933,008,742,856/268,254,223.62
  6. Step 6: Final answer
    x = 169,260,831.74

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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.