Home / 247,412,831.10-341,409,795.60-142,997,665.38

Finding the Fourth Proportional to 247,412,831.10, 341,409,795.60 and 142,997,665.38

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Solution

The fourth proportional to 247,412,831.10, 341,409,795.60 and 142,997,665.38 is: 197,325,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,412,831.10 : 341,409,795.60 = 142,997,665.38 : x
  2. Step 2: Convert to fraction form
    247,412,831.10/341,409,795.60 = 142,997,665.38/x
  3. Step 3: Cross multiply
    247,412,831.10x = 341,409,795.60 × 142,997,665.38
  4. Step 4: Simplify right side
    247,412,831.10x = 48,820,803,708,663,000
  5. Step 5: Solve for x
    x = 48,820,803,708,663,000/247,412,831.10
  6. Step 6: Final answer
    x = 197,325,270.04

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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.