Home / 90,804,538.90-136,206,808.35-60,413,857.30

Finding the Fourth Proportional to 90,804,538.90, 136,206,808.35 and 60,413,857.30

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Solution

The fourth proportional to 90,804,538.90, 136,206,808.35 and 60,413,857.30 is: 90,620,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,538.90 : 136,206,808.35 = 60,413,857.30 : x
  2. Step 2: Convert to fraction form
    90,804,538.90/136,206,808.35 = 60,413,857.30/x
  3. Step 3: Cross multiply
    90,804,538.90x = 136,206,808.35 × 60,413,857.30
  4. Step 4: Simplify right side
    90,804,538.90x = 8,228,778,682,945,348
  5. Step 5: Solve for x
    x = 8,228,778,682,945,348/90,804,538.90
  6. Step 6: Final answer
    x = 90,620,785.95

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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.