Home / 91,493,022.60-137,345,822.10-55,142,458.20

Finding the Fourth Proportional to 91,493,022.60, 137,345,822.10 and 55,142,458.20

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Solution

The fourth proportional to 91,493,022.60, 137,345,822.10 and 55,142,458.20 is: 82,777,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,493,022.60 : 137,345,822.10 = 55,142,458.20 : x
  2. Step 2: Convert to fraction form
    91,493,022.60/137,345,822.10 = 55,142,458.20/x
  3. Step 3: Cross multiply
    91,493,022.60x = 137,345,822.10 × 55,142,458.20
  4. Step 4: Simplify right side
    91,493,022.60x = 7,573,586,254,093,886
  5. Step 5: Solve for x
    x = 7,573,586,254,093,886/91,493,022.60
  6. Step 6: Final answer
    x = 82,777,746.75

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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.