Home / 111,143,417.96-166,737,485.38-38,363,017.70

Finding the Fourth Proportional to 111,143,417.96, 166,737,485.38 and 38,363,017.70

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Solution

The fourth proportional to 111,143,417.96, 166,737,485.38 and 38,363,017.70 is: 57,552,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,143,417.96 : 166,737,485.38 = 38,363,017.70 : x
  2. Step 2: Convert to fraction form
    111,143,417.96/166,737,485.38 = 38,363,017.70/x
  3. Step 3: Cross multiply
    111,143,417.96x = 166,737,485.38 × 38,363,017.70
  4. Step 4: Simplify right side
    111,143,417.96x = 6,396,553,102,886,432
  5. Step 5: Solve for x
    x = 6,396,553,102,886,432/111,143,417.96
  6. Step 6: Final answer
    x = 57,552,243.94

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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.