Home / 53,142,200.20-79,663,145.10-28,845,310.60

Finding the Fourth Proportional to 53,142,200.20, 79,663,145.10 and 28,845,310.60

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Solution

The fourth proportional to 53,142,200.20, 79,663,145.10 and 28,845,310.60 is: 43,240,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142,200.20 : 79,663,145.10 = 28,845,310.60 : x
  2. Step 2: Convert to fraction form
    53,142,200.20/79,663,145.10 = 28,845,310.60/x
  3. Step 3: Cross multiply
    53,142,200.20x = 79,663,145.10 × 28,845,310.60
  4. Step 4: Simplify right side
    53,142,200.20x = 2,297,908,163,782,368
  5. Step 5: Solve for x
    x = 2,297,908,163,782,368/53,142,200.20
  6. Step 6: Final answer
    x = 43,240,741.92

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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.