Home / 82,993,600.70-124,490,401.05-39,852,401.30

Finding the Fourth Proportional to 82,993,600.70, 124,490,401.05 and 39,852,401.30

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Solution

The fourth proportional to 82,993,600.70, 124,490,401.05 and 39,852,401.30 is: 59,778,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,993,600.70 : 124,490,401.05 = 39,852,401.30 : x
  2. Step 2: Convert to fraction form
    82,993,600.70/124,490,401.05 = 39,852,401.30/x
  3. Step 3: Cross multiply
    82,993,600.70x = 124,490,401.05 × 39,852,401.30
  4. Step 4: Simplify right side
    82,993,600.70x = 4,961,241,420,642,541
  5. Step 5: Solve for x
    x = 4,961,241,420,642,541/82,993,600.70
  6. Step 6: Final answer
    x = 59,778,601.95

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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.