Home / 139,419,325.80-208,720,165.50-97,775,871.48

Finding the Fourth Proportional to 139,419,325.80, 208,720,165.50 and 97,775,871.48

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Solution

The fourth proportional to 139,419,325.80, 208,720,165.50 and 97,775,871.48 is: 146,377,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,419,325.80 : 208,720,165.50 = 97,775,871.48 : x
  2. Step 2: Convert to fraction form
    139,419,325.80/208,720,165.50 = 97,775,871.48/x
  3. Step 3: Cross multiply
    139,419,325.80x = 208,720,165.50 × 97,775,871.48
  4. Step 4: Simplify right side
    139,419,325.80x = 20,407,796,077,212,332
  5. Step 5: Solve for x
    x = 20,407,796,077,212,332/139,419,325.80
  6. Step 6: Final answer
    x = 146,377,096.29

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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.