Home / 130,859,829.86-180,584,219.21-71,321,659.92

Finding the Fourth Proportional to 130,859,829.86, 180,584,219.21 and 71,321,659.92

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Solution

The fourth proportional to 130,859,829.86, 180,584,219.21 and 71,321,659.92 is: 98,422,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,829.86 : 180,584,219.21 = 71,321,659.92 : x
  2. Step 2: Convert to fraction form
    130,859,829.86/180,584,219.21 = 71,321,659.92/x
  3. Step 3: Cross multiply
    130,859,829.86x = 180,584,219.21 × 71,321,659.92
  4. Step 4: Simplify right side
    130,859,829.86x = 12,879,566,269,057,744
  5. Step 5: Solve for x
    x = 12,879,566,269,057,744/130,859,829.86
  6. Step 6: Final answer
    x = 98,422,612.07

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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.