Home / 47,420,908.32-65,416,880.16-31,740,599.52

Finding the Fourth Proportional to 47,420,908.32, 65,416,880.16 and 31,740,599.52

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Solution

The fourth proportional to 47,420,908.32, 65,416,880.16 and 31,740,599.52 is: 43,785,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,420,908.32 : 65,416,880.16 = 31,740,599.52 : x
  2. Step 2: Convert to fraction form
    47,420,908.32/65,416,880.16 = 31,740,599.52/x
  3. Step 3: Cross multiply
    47,420,908.32x = 65,416,880.16 × 31,740,599.52
  4. Step 4: Simplify right side
    47,420,908.32x = 2,076,370,995,006,393.50
  5. Step 5: Solve for x
    x = 2,076,370,995,006,393.50/47,420,908.32
  6. Step 6: Final answer
    x = 43,785,981.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.