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Finding the Fourth Proportional to 330,297,702.80, 495,430,807.80 and 111,926,627.60

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Solution

The fourth proportional to 330,297,702.80, 495,430,807.80 and 111,926,627.60 is: 167,884,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,297,702.80 : 495,430,807.80 = 111,926,627.60 : x
  2. Step 2: Convert to fraction form
    330,297,702.80/495,430,807.80 = 111,926,627.60/x
  3. Step 3: Cross multiply
    330,297,702.80x = 495,430,807.80 × 111,926,627.60
  4. Step 4: Simplify right side
    330,297,702.80x = 55,451,899,526,197,776
  5. Step 5: Solve for x
    x = 55,451,899,526,197,776/330,297,702.80
  6. Step 6: Final answer
    x = 167,884,605.48

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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.