Home / 108,867,600.45-163,301,400.68-48,401,424.45

Finding the Fourth Proportional to 108,867,600.45, 163,301,400.68 and 48,401,424.45

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Solution

The fourth proportional to 108,867,600.45, 163,301,400.68 and 48,401,424.45 is: 72,602,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,600.45 : 163,301,400.68 = 48,401,424.45 : x
  2. Step 2: Convert to fraction form
    108,867,600.45/163,301,400.68 = 48,401,424.45/x
  3. Step 3: Cross multiply
    108,867,600.45x = 163,301,400.68 × 48,401,424.45
  4. Step 4: Simplify right side
    108,867,600.45x = 7,904,020,407,350,193
  5. Step 5: Solve for x
    x = 7,904,020,407,350,193/108,867,600.45
  6. Step 6: Final answer
    x = 72,602,136.68

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Double scale
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Similar ratio
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1.5x scale

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.