Home / 118,029,074.85-162,880,833.18-65,821,409.97

Finding the Fourth Proportional to 118,029,074.85, 162,880,833.18 and 65,821,409.97

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Solution

The fourth proportional to 118,029,074.85, 162,880,833.18 and 65,821,409.97 is: 90,833,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,029,074.85 : 162,880,833.18 = 65,821,409.97 : x
  2. Step 2: Convert to fraction form
    118,029,074.85/162,880,833.18 = 65,821,409.97/x
  3. Step 3: Cross multiply
    118,029,074.85x = 162,880,833.18 × 65,821,409.97
  4. Step 4: Simplify right side
    118,029,074.85x = 10,721,046,096,995,960
  5. Step 5: Solve for x
    x = 10,721,046,096,995,960/118,029,074.85
  6. Step 6: Final answer
    x = 90,833,941.64

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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.