Home / 93,016,520.94-128,375,022.02-53,339,578.76

Finding the Fourth Proportional to 93,016,520.94, 128,375,022.02 and 53,339,578.76

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Solution

The fourth proportional to 93,016,520.94, 128,375,022.02 and 53,339,578.76 is: 73,615,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,016,520.94 : 128,375,022.02 = 53,339,578.76 : x
  2. Step 2: Convert to fraction form
    93,016,520.94/128,375,022.02 = 53,339,578.76/x
  3. Step 3: Cross multiply
    93,016,520.94x = 128,375,022.02 × 53,339,578.76
  4. Step 4: Simplify right side
    93,016,520.94x = 6,847,469,596,943,952
  5. Step 5: Solve for x
    x = 6,847,469,596,943,952/93,016,520.94
  6. Step 6: Final answer
    x = 73,615,627.93

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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.