Home / 151,149,499.59-208,579,599.90-84,171,912.87

Finding the Fourth Proportional to 151,149,499.59, 208,579,599.90 and 84,171,912.87

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Solution

The fourth proportional to 151,149,499.59, 208,579,599.90 and 84,171,912.87 is: 116,153,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,149,499.59 : 208,579,599.90 = 84,171,912.87 : x
  2. Step 2: Convert to fraction form
    151,149,499.59/208,579,599.90 = 84,171,912.87/x
  3. Step 3: Cross multiply
    151,149,499.59x = 208,579,599.90 × 84,171,912.87
  4. Step 4: Simplify right side
    151,149,499.59x = 17,556,543,909,242,262
  5. Step 5: Solve for x
    x = 17,556,543,909,242,262/151,149,499.59
  6. Step 6: Final answer
    x = 116,153,503.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.