Home / 34,785,989.40-52,178,984.10-31,809,919.80

Finding the Fourth Proportional to 34,785,989.40, 52,178,984.10 and 31,809,919.80

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Solution

The fourth proportional to 34,785,989.40, 52,178,984.10 and 31,809,919.80 is: 47,714,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785,989.40 : 52,178,984.10 = 31,809,919.80 : x
  2. Step 2: Convert to fraction form
    34,785,989.40/52,178,984.10 = 31,809,919.80/x
  3. Step 3: Cross multiply
    34,785,989.40x = 52,178,984.10 × 31,809,919.80
  4. Step 4: Simplify right side
    34,785,989.40x = 1,659,809,299,466,475.25
  5. Step 5: Solve for x
    x = 1,659,809,299,466,475.25/34,785,989.40
  6. Step 6: Final answer
    x = 47,714,879.70

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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.