Home / 90,804,540.90-136,206,811.35-60,413,859.30

Finding the Fourth Proportional to 90,804,540.90, 136,206,811.35 and 60,413,859.30

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Solution

The fourth proportional to 90,804,540.90, 136,206,811.35 and 60,413,859.30 is: 90,620,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,540.90 : 136,206,811.35 = 60,413,859.30 : x
  2. Step 2: Convert to fraction form
    90,804,540.90/136,206,811.35 = 60,413,859.30/x
  3. Step 3: Cross multiply
    90,804,540.90x = 136,206,811.35 × 60,413,859.30
  4. Step 4: Simplify right side
    90,804,540.90x = 8,228,779,136,600,542
  5. Step 5: Solve for x
    x = 8,228,779,136,600,542/90,804,540.90
  6. Step 6: Final answer
    x = 90,620,788.95

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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.