Home / 92,668,800.60-139,003,200.90-75,450,112.20

Finding the Fourth Proportional to 92,668,800.60, 139,003,200.90 and 75,450,112.20

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Solution

The fourth proportional to 92,668,800.60, 139,003,200.90 and 75,450,112.20 is: 113,175,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668,800.60 : 139,003,200.90 = 75,450,112.20 : x
  2. Step 2: Convert to fraction form
    92,668,800.60/139,003,200.90 = 75,450,112.20/x
  3. Step 3: Cross multiply
    92,668,800.60x = 139,003,200.90 × 75,450,112.20
  4. Step 4: Simplify right side
    92,668,800.60x = 10,487,807,104,064,142
  5. Step 5: Solve for x
    x = 10,487,807,104,064,142/92,668,800.60
  6. Step 6: Final answer
    x = 113,175,168.30

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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.