Home / 82,993,600.45-124,490,400.68-39,852,401.05

Finding the Fourth Proportional to 82,993,600.45, 124,490,400.68 and 39,852,401.05

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Solution

The fourth proportional to 82,993,600.45, 124,490,400.68 and 39,852,401.05 is: 59,778,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,993,600.45 : 124,490,400.68 = 39,852,401.05 : x
  2. Step 2: Convert to fraction form
    82,993,600.45/124,490,400.68 = 39,852,401.05/x
  3. Step 3: Cross multiply
    82,993,600.45x = 124,490,400.68 × 39,852,401.05
  4. Step 4: Simplify right side
    82,993,600.45x = 4,961,241,374,575,290
  5. Step 5: Solve for x
    x = 4,961,241,374,575,290/82,993,600.45
  6. Step 6: Final answer
    x = 59,778,601.58

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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.