Home / 368,784,895.80-553,205,337.30-109,979,916.60

Finding the Fourth Proportional to 368,784,895.80, 553,205,337.30 and 109,979,916.60

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Solution

The fourth proportional to 368,784,895.80, 553,205,337.30 and 109,979,916.60 is: 164,978,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,784,895.80 : 553,205,337.30 = 109,979,916.60 : x
  2. Step 2: Convert to fraction form
    368,784,895.80/553,205,337.30 = 109,979,916.60/x
  3. Step 3: Cross multiply
    368,784,895.80x = 553,205,337.30 × 109,979,916.60
  4. Step 4: Simplify right side
    368,784,895.80x = 60,841,476,858,928,864
  5. Step 5: Solve for x
    x = 60,841,476,858,928,864/368,784,895.80
  6. Step 6: Final answer
    x = 164,978,223.22

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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.