Home / 112,003,300.80-167,905,418.40-73,683,172.80

Finding the Fourth Proportional to 112,003,300.80, 167,905,418.40 and 73,683,172.80

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Solution

The fourth proportional to 112,003,300.80, 167,905,418.40 and 73,683,172.80 is: 110,459,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,003,300.80 : 167,905,418.40 = 73,683,172.80 : x
  2. Step 2: Convert to fraction form
    112,003,300.80/167,905,418.40 = 73,683,172.80/x
  3. Step 3: Cross multiply
    112,003,300.80x = 167,905,418.40 × 73,683,172.80
  4. Step 4: Simplify right side
    112,003,300.80x = 12,371,803,958,023,500
  5. Step 5: Solve for x
    x = 12,371,803,958,023,500/112,003,300.80
  6. Step 6: Final answer
    x = 110,459,279.95

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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.