Home / 388,338,077.70-582,507,116.55-101,123,741.70

Finding the Fourth Proportional to 388,338,077.70, 582,507,116.55 and 101,123,741.70

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Solution

The fourth proportional to 388,338,077.70, 582,507,116.55 and 101,123,741.70 is: 151,685,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,338,077.70 : 582,507,116.55 = 101,123,741.70 : x
  2. Step 2: Convert to fraction form
    388,338,077.70/582,507,116.55 = 101,123,741.70/x
  3. Step 3: Cross multiply
    388,338,077.70x = 582,507,116.55 × 101,123,741.70
  4. Step 4: Simplify right side
    388,338,077.70x = 58,905,299,192,413,992
  5. Step 5: Solve for x
    x = 58,905,299,192,413,992/388,338,077.70
  6. Step 6: Final answer
    x = 151,685,612.55

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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.