Home / 151,149,496.59-208,579,595.76-84,171,909.87

Finding the Fourth Proportional to 151,149,496.59, 208,579,595.76 and 84,171,909.87

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Solution

The fourth proportional to 151,149,496.59, 208,579,595.76 and 84,171,909.87 is: 116,153,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,149,496.59 : 208,579,595.76 = 84,171,909.87 : x
  2. Step 2: Convert to fraction form
    151,149,496.59/208,579,595.76 = 84,171,909.87/x
  3. Step 3: Cross multiply
    151,149,496.59x = 208,579,595.76 × 84,171,909.87
  4. Step 4: Simplify right side
    151,149,496.59x = 17,556,542,935,031,754
  5. Step 5: Solve for x
    x = 17,556,542,935,031,754/151,149,496.59
  6. Step 6: Final answer
    x = 116,153,499.23

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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.