Home / 130,012,007.13-195,015,278.43-31,644,262.53

Finding the Fourth Proportional to 130,012,007.13, 195,015,278.43 and 31,644,262.53

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Solution

The fourth proportional to 130,012,007.13, 195,015,278.43 and 31,644,262.53 is: 47,465,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,012,007.13 : 195,015,278.43 = 31,644,262.53 : x
  2. Step 2: Convert to fraction form
    130,012,007.13/195,015,278.43 = 31,644,262.53/x
  3. Step 3: Cross multiply
    130,012,007.13x = 195,015,278.43 × 31,644,262.53
  4. Step 4: Simplify right side
    130,012,007.13x = 6,171,114,667,999,967
  5. Step 5: Solve for x
    x = 6,171,114,667,999,967/130,012,007.13
  6. Step 6: Final answer
    x = 47,465,728.78

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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.