Home / 113,335,630.80-170,003,446.20-67,985,998.80

Finding the Fourth Proportional to 113,335,630.80, 170,003,446.20 and 67,985,998.80

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Solution

The fourth proportional to 113,335,630.80, 170,003,446.20 and 67,985,998.80 is: 101,978,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335,630.80 : 170,003,446.20 = 67,985,998.80 : x
  2. Step 2: Convert to fraction form
    113,335,630.80/170,003,446.20 = 67,985,998.80/x
  3. Step 3: Cross multiply
    113,335,630.80x = 170,003,446.20 × 67,985,998.80
  4. Step 4: Simplify right side
    113,335,630.80x = 11,557,854,089,349,064
  5. Step 5: Solve for x
    x = 11,557,854,089,349,064/113,335,630.80
  6. Step 6: Final answer
    x = 101,978,998.20

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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.