Home / 131,062,051.20-196,342,401.60-70,457,635.20

Finding the Fourth Proportional to 131,062,051.20, 196,342,401.60 and 70,457,635.20

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Solution

The fourth proportional to 131,062,051.20, 196,342,401.60 and 70,457,635.20 is: 105,551,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,062,051.20 : 196,342,401.60 = 70,457,635.20 : x
  2. Step 2: Convert to fraction form
    131,062,051.20/196,342,401.60 = 70,457,635.20/x
  3. Step 3: Cross multiply
    131,062,051.20x = 196,342,401.60 × 70,457,635.20
  4. Step 4: Simplify right side
    131,062,051.20x = 13,833,821,306,224,696
  5. Step 5: Solve for x
    x = 13,833,821,306,224,696/131,062,051.20
  6. Step 6: Final answer
    x = 105,551,692.34

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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.