Home / 77,274,200.10-115,911,300.15-54,599,384.10

Finding the Fourth Proportional to 77,274,200.10, 115,911,300.15 and 54,599,384.10

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Solution

The fourth proportional to 77,274,200.10, 115,911,300.15 and 54,599,384.10 is: 81,899,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,274,200.10 : 115,911,300.15 = 54,599,384.10 : x
  2. Step 2: Convert to fraction form
    77,274,200.10/115,911,300.15 = 54,599,384.10/x
  3. Step 3: Cross multiply
    77,274,200.10x = 115,911,300.15 × 54,599,384.10
  4. Step 4: Simplify right side
    77,274,200.10x = 6,328,685,598,420,238
  5. Step 5: Solve for x
    x = 6,328,685,598,420,238/77,274,200.10
  6. Step 6: Final answer
    x = 81,899,076.15

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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.