Home / 75,286,110.80-112,929,166.20-44,978,373.20

Finding the Fourth Proportional to 75,286,110.80, 112,929,166.20 and 44,978,373.20

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Solution

The fourth proportional to 75,286,110.80, 112,929,166.20 and 44,978,373.20 is: 67,467,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286,110.80 : 112,929,166.20 = 44,978,373.20 : x
  2. Step 2: Convert to fraction form
    75,286,110.80/112,929,166.20 = 44,978,373.20/x
  3. Step 3: Cross multiply
    75,286,110.80x = 112,929,166.20 × 44,978,373.20
  4. Step 4: Simplify right side
    75,286,110.80x = 5,079,370,182,508,426
  5. Step 5: Solve for x
    x = 5,079,370,182,508,426/75,286,110.80
  6. Step 6: Final answer
    x = 67,467,559.80

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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.