Home / 130,711,201.20-196,066,801.80-54,008,737.20

Finding the Fourth Proportional to 130,711,201.20, 196,066,801.80 and 54,008,737.20

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Solution

The fourth proportional to 130,711,201.20, 196,066,801.80 and 54,008,737.20 is: 81,013,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,711,201.20 : 196,066,801.80 = 54,008,737.20 : x
  2. Step 2: Convert to fraction form
    130,711,201.20/196,066,801.80 = 54,008,737.20/x
  3. Step 3: Cross multiply
    130,711,201.20x = 196,066,801.80 × 54,008,737.20
  4. Step 4: Simplify right side
    130,711,201.20x = 10,589,320,372,060,688
  5. Step 5: Solve for x
    x = 10,589,320,372,060,688/130,711,201.20
  6. Step 6: Final answer
    x = 81,013,105.80

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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.