Home / 89,525,912.80-134,288,869.20-28,985,087.20

Finding the Fourth Proportional to 89,525,912.80, 134,288,869.20 and 28,985,087.20

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Solution

The fourth proportional to 89,525,912.80, 134,288,869.20 and 28,985,087.20 is: 43,477,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,525,912.80 : 134,288,869.20 = 28,985,087.20 : x
  2. Step 2: Convert to fraction form
    89,525,912.80/134,288,869.20 = 28,985,087.20/x
  3. Step 3: Cross multiply
    89,525,912.80x = 134,288,869.20 × 28,985,087.20
  4. Step 4: Simplify right side
    89,525,912.80x = 3,892,374,583,751,394
  5. Step 5: Solve for x
    x = 3,892,374,583,751,394/89,525,912.80
  6. Step 6: Final answer
    x = 43,477,630.80

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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.