Home / 255,247,572.80-382,871,359.20-73,513,121.60

Finding the Fourth Proportional to 255,247,572.80, 382,871,359.20 and 73,513,121.60

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Solution

The fourth proportional to 255,247,572.80, 382,871,359.20 and 73,513,121.60 is: 110,269,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,247,572.80 : 382,871,359.20 = 73,513,121.60 : x
  2. Step 2: Convert to fraction form
    255,247,572.80/382,871,359.20 = 73,513,121.60/x
  3. Step 3: Cross multiply
    255,247,572.80x = 382,871,359.20 × 73,513,121.60
  4. Step 4: Simplify right side
    255,247,572.80x = 28,146,068,786,026,876
  5. Step 5: Solve for x
    x = 28,146,068,786,026,876/255,247,572.80
  6. Step 6: Final answer
    x = 110,269,682.40

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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.