Home / 188,118,487.32-282,214,069.86-71,524,777.86

Finding the Fourth Proportional to 188,118,487.32, 282,214,069.86 and 71,524,777.86

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Solution

The fourth proportional to 188,118,487.32, 282,214,069.86 and 71,524,777.86 is: 107,300,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,118,487.32 : 282,214,069.86 = 71,524,777.86 : x
  2. Step 2: Convert to fraction form
    188,118,487.32/282,214,069.86 = 71,524,777.86/x
  3. Step 3: Cross multiply
    188,118,487.32x = 282,214,069.86 × 71,524,777.86
  4. Step 4: Simplify right side
    188,118,487.32x = 20,185,298,655,703,024
  5. Step 5: Solve for x
    x = 20,185,298,655,703,024/188,118,487.32
  6. Step 6: Final answer
    x = 107,300,983.24

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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.