Home / 130,833,249.39-180,558,359.27-75,081,019.76

Finding the Fourth Proportional to 130,833,249.39, 180,558,359.27 and 75,081,019.76

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Solution

The fourth proportional to 130,833,249.39, 180,558,359.27 and 75,081,019.76 is: 103,616,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,833,249.39 : 180,558,359.27 = 75,081,019.76 : x
  2. Step 2: Convert to fraction form
    130,833,249.39/180,558,359.27 = 75,081,019.76/x
  3. Step 3: Cross multiply
    130,833,249.39x = 180,558,359.27 × 75,081,019.76
  4. Step 4: Simplify right side
    130,833,249.39x = 13,556,505,740,823,148
  5. Step 5: Solve for x
    x = 13,556,505,740,823,148/130,833,249.39
  6. Step 6: Final answer
    x = 103,616,670.87

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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.