Home / 61,748,064.45-92,630,640.33-20,819,209.65

Finding the Fourth Proportional to 61,748,064.45, 92,630,640.33 and 20,819,209.65

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Solution

The fourth proportional to 61,748,064.45, 92,630,640.33 and 20,819,209.65 is: 31,231,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,748,064.45 : 92,630,640.33 = 20,819,209.65 : x
  2. Step 2: Convert to fraction form
    61,748,064.45/92,630,640.33 = 20,819,209.65/x
  3. Step 3: Cross multiply
    61,748,064.45x = 92,630,640.33 × 20,819,209.65
  4. Step 4: Simplify right side
    61,748,064.45x = 1,928,496,721,044,015
  5. Step 5: Solve for x
    x = 1,928,496,721,044,015/61,748,064.45
  6. Step 6: Final answer
    x = 31,231,695.09

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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.