Home / 51,446,702.16-70,993,845.12-30,539,629.80

Finding the Fourth Proportional to 51,446,702.16, 70,993,845.12 and 30,539,629.80

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Solution

The fourth proportional to 51,446,702.16, 70,993,845.12 and 30,539,629.80 is: 42,143,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,446,702.16 : 70,993,845.12 = 30,539,629.80 : x
  2. Step 2: Convert to fraction form
    51,446,702.16/70,993,845.12 = 30,539,629.80/x
  3. Step 3: Cross multiply
    51,446,702.16x = 70,993,845.12 × 30,539,629.80
  4. Step 4: Simplify right side
    51,446,702.16x = 2,168,125,748,043,336.75
  5. Step 5: Solve for x
    x = 2,168,125,748,043,336.75/51,446,702.16
  6. Step 6: Final answer
    x = 42,143,143.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.