Home / 61,930,823.40-92,893,282.65-20,986,246.80

Finding the Fourth Proportional to 61,930,823.40, 92,893,282.65 and 20,986,246.80

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Solution

The fourth proportional to 61,930,823.40, 92,893,282.65 and 20,986,246.80 is: 31,478,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930,823.40 : 92,893,282.65 = 20,986,246.80 : x
  2. Step 2: Convert to fraction form
    61,930,823.40/92,893,282.65 = 20,986,246.80/x
  3. Step 3: Cross multiply
    61,930,823.40x = 92,893,282.65 × 20,986,246.80
  4. Step 4: Simplify right side
    61,930,823.40x = 1,949,481,355,755,058.25
  5. Step 5: Solve for x
    x = 1,949,481,355,755,058.25/61,930,823.40
  6. Step 6: Final answer
    x = 31,478,369.72

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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.