Home / 51,345,891.24-70,857,884.52-28,140,518.76

Finding the Fourth Proportional to 51,345,891.24, 70,857,884.52 and 28,140,518.76

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Solution

The fourth proportional to 51,345,891.24, 70,857,884.52 and 28,140,518.76 is: 38,834,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345,891.24 : 70,857,884.52 = 28,140,518.76 : x
  2. Step 2: Convert to fraction form
    51,345,891.24/70,857,884.52 = 28,140,518.76/x
  3. Step 3: Cross multiply
    51,345,891.24x = 70,857,884.52 × 28,140,518.76
  4. Step 4: Simplify right side
    51,345,891.24x = 1,993,977,628,628,973.50
  5. Step 5: Solve for x
    x = 1,993,977,628,628,973.50/51,345,891.24
  6. Step 6: Final answer
    x = 38,834,219.85

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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.