Home / 108,640,270.80-162,989,274.60-47,203,066.80

Finding the Fourth Proportional to 108,640,270.80, 162,989,274.60 and 47,203,066.80

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Solution

The fourth proportional to 108,640,270.80, 162,989,274.60 and 47,203,066.80 is: 70,817,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,640,270.80 : 162,989,274.60 = 47,203,066.80 : x
  2. Step 2: Convert to fraction form
    108,640,270.80/162,989,274.60 = 47,203,066.80/x
  3. Step 3: Cross multiply
    108,640,270.80x = 162,989,274.60 × 47,203,066.80
  4. Step 4: Simplify right side
    108,640,270.80x = 7,693,593,616,627,343
  5. Step 5: Solve for x
    x = 7,693,593,616,627,343/108,640,270.80
  6. Step 6: Final answer
    x = 70,817,143.22

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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.