Home / 118,145,578.49-163,049,912.60-65,232,487.20

Finding the Fourth Proportional to 118,145,578.49, 163,049,912.60 and 65,232,487.20

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Solution

The fourth proportional to 118,145,578.49, 163,049,912.60 and 65,232,487.20 is: 90,025,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,145,578.49 : 163,049,912.60 = 65,232,487.20 : x
  2. Step 2: Convert to fraction form
    118,145,578.49/163,049,912.60 = 65,232,487.20/x
  3. Step 3: Cross multiply
    118,145,578.49x = 163,049,912.60 × 65,232,487.20
  4. Step 4: Simplify right side
    118,145,578.49x = 10,636,151,336,640,618
  5. Step 5: Solve for x
    x = 10,636,151,336,640,618/118,145,578.49
  6. Step 6: Final answer
    x = 90,025,809.45

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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.