Home / 102,478,395.78-153,720,529.68-40,227,119.34

Finding the Fourth Proportional to 102,478,395.78, 153,720,529.68 and 40,227,119.34

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Solution

The fourth proportional to 102,478,395.78, 153,720,529.68 and 40,227,119.34 is: 60,341,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,478,395.78 : 153,720,529.68 = 40,227,119.34 : x
  2. Step 2: Convert to fraction form
    102,478,395.78/153,720,529.68 = 40,227,119.34/x
  3. Step 3: Cross multiply
    102,478,395.78x = 153,720,529.68 × 40,227,119.34
  4. Step 4: Simplify right side
    102,478,395.78x = 6,183,734,092,445,373
  5. Step 5: Solve for x
    x = 6,183,734,092,445,373/102,478,395.78
  6. Step 6: Final answer
    x = 60,341,831.52

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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.