Home / 47,319,937.20-70,979,905.80-31,164,130.80

Finding the Fourth Proportional to 47,319,937.20, 70,979,905.80 and 31,164,130.80

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Solution

The fourth proportional to 47,319,937.20, 70,979,905.80 and 31,164,130.80 is: 46,746,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,319,937.20 : 70,979,905.80 = 31,164,130.80 : x
  2. Step 2: Convert to fraction form
    47,319,937.20/70,979,905.80 = 31,164,130.80/x
  3. Step 3: Cross multiply
    47,319,937.20x = 70,979,905.80 × 31,164,130.80
  4. Step 4: Simplify right side
    47,319,937.20x = 2,212,027,068,522,878.50
  5. Step 5: Solve for x
    x = 2,212,027,068,522,878.50/47,319,937.20
  6. Step 6: Final answer
    x = 46,746,196.20

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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.