Home / 80,851,533.20-121,277,299.80-29,722,972.40

Finding the Fourth Proportional to 80,851,533.20, 121,277,299.80 and 29,722,972.40

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Solution

The fourth proportional to 80,851,533.20, 121,277,299.80 and 29,722,972.40 is: 44,584,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,533.20 : 121,277,299.80 = 29,722,972.40 : x
  2. Step 2: Convert to fraction form
    80,851,533.20/121,277,299.80 = 29,722,972.40/x
  3. Step 3: Cross multiply
    80,851,533.20x = 121,277,299.80 × 29,722,972.40
  4. Step 4: Simplify right side
    80,851,533.20x = 3,604,721,834,701,925.50
  5. Step 5: Solve for x
    x = 3,604,721,834,701,925.50/80,851,533.20
  6. Step 6: Final answer
    x = 44,584,458.60

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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.