Home / 52,401,770.20-78,528,005.70-38,647,581.40

Finding the Fourth Proportional to 52,401,770.20, 78,528,005.70 and 38,647,581.40

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Solution

The fourth proportional to 52,401,770.20, 78,528,005.70 and 38,647,581.40 is: 57,916,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401,770.20 : 78,528,005.70 = 38,647,581.40 : x
  2. Step 2: Convert to fraction form
    52,401,770.20/78,528,005.70 = 38,647,581.40/x
  3. Step 3: Cross multiply
    52,401,770.20x = 78,528,005.70 × 38,647,581.40
  4. Step 4: Simplify right side
    52,401,770.20x = 3,034,917,492,470,414
  5. Step 5: Solve for x
    x = 3,034,917,492,470,414/52,401,770.20
  6. Step 6: Final answer
    x = 57,916,316.20

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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.