Home / 289,183,056.12-399,084,059.88-162,024,831.23

Finding the Fourth Proportional to 289,183,056.12, 399,084,059.88 and 162,024,831.23

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Solution

The fourth proportional to 289,183,056.12, 399,084,059.88 and 162,024,831.23 is: 223,600,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,183,056.12 : 399,084,059.88 = 162,024,831.23 : x
  2. Step 2: Convert to fraction form
    289,183,056.12/399,084,059.88 = 162,024,831.23/x
  3. Step 3: Cross multiply
    289,183,056.12x = 399,084,059.88 × 162,024,831.23
  4. Step 4: Simplify right side
    289,183,056.12x = 64,661,527,446,644,792
  5. Step 5: Solve for x
    x = 64,661,527,446,644,792/289,183,056.12
  6. Step 6: Final answer
    x = 223,600,678.11

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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.