Home / 260,684,354.25-391,076,885.30-99,113,727.69

Finding the Fourth Proportional to 260,684,354.25, 391,076,885.30 and 99,113,727.69

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Solution

The fourth proportional to 260,684,354.25, 391,076,885.30 and 99,113,727.69 is: 148,689,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684,354.25 : 391,076,885.30 = 99,113,727.69 : x
  2. Step 2: Convert to fraction form
    260,684,354.25/391,076,885.30 = 99,113,727.69/x
  3. Step 3: Cross multiply
    260,684,354.25x = 391,076,885.30 × 99,113,727.69
  4. Step 4: Simplify right side
    260,684,354.25x = 38,761,087,914,982,000
  5. Step 5: Solve for x
    x = 38,761,087,914,982,000/260,684,354.25
  6. Step 6: Final answer
    x = 148,689,736.39

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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.