Home / 100,531,150.43-138,744,221.09-60,860,539.94

Finding the Fourth Proportional to 100,531,150.43, 138,744,221.09 and 60,860,539.94

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Solution

The fourth proportional to 100,531,150.43, 138,744,221.09 and 60,860,539.94 is: 83,994,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,531,150.43 : 138,744,221.09 = 60,860,539.94 : x
  2. Step 2: Convert to fraction form
    100,531,150.43/138,744,221.09 = 60,860,539.94/x
  3. Step 3: Cross multiply
    100,531,150.43x = 138,744,221.09 × 60,860,539.94
  4. Step 4: Simplify right side
    100,531,150.43x = 8,444,048,209,388,210
  5. Step 5: Solve for x
    x = 8,444,048,209,388,210/100,531,150.43
  6. Step 6: Final answer
    x = 83,994,345.77

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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.