Home / 61,929,797.40-92,891,743.65-20,985,220.80

Finding the Fourth Proportional to 61,929,797.40, 92,891,743.65 and 20,985,220.80

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Solution

The fourth proportional to 61,929,797.40, 92,891,743.65 and 20,985,220.80 is: 31,476,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929,797.40 : 92,891,743.65 = 20,985,220.80 : x
  2. Step 2: Convert to fraction form
    61,929,797.40/92,891,743.65 = 20,985,220.80/x
  3. Step 3: Cross multiply
    61,929,797.40x = 92,891,743.65 × 20,985,220.80
  4. Step 4: Simplify right side
    61,929,797.40x = 1,949,353,750,992,248
  5. Step 5: Solve for x
    x = 1,949,353,750,992,248/61,929,797.40
  6. Step 6: Final answer
    x = 31,476,830.75

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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.