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Finding the Fourth Proportional to 30,347,269.60, 45,520,904.40 and 29,843,384.80

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Solution

The fourth proportional to 30,347,269.60, 45,520,904.40 and 29,843,384.80 is: 44,765,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,269.60 : 45,520,904.40 = 29,843,384.80 : x
  2. Step 2: Convert to fraction form
    30,347,269.60/45,520,904.40 = 29,843,384.80/x
  3. Step 3: Cross multiply
    30,347,269.60x = 45,520,904.40 × 29,843,384.80
  4. Step 4: Simplify right side
    30,347,269.60x = 1,358,497,866,453,213
  5. Step 5: Solve for x
    x = 1,358,497,866,453,213/30,347,269.60
  6. Step 6: Final answer
    x = 44,765,077.20

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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.