Home / 207,200,110.10-310,912,139.56-92,202,401.30

Finding the Fourth Proportional to 207,200,110.10, 310,912,139.56 and 92,202,401.30

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Solution

The fourth proportional to 207,200,110.10, 310,912,139.56 and 92,202,401.30 is: 138,353,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,200,110.10 : 310,912,139.56 = 92,202,401.30 : x
  2. Step 2: Convert to fraction form
    207,200,110.10/310,912,139.56 = 92,202,401.30/x
  3. Step 3: Cross multiply
    207,200,110.10x = 310,912,139.56 × 92,202,401.30
  4. Step 4: Simplify right side
    207,200,110.10x = 28,666,845,860,752,724
  5. Step 5: Solve for x
    x = 28,666,845,860,752,724/207,200,110.10
  6. Step 6: Final answer
    x = 138,353,429.67

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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.