Home / 70,110,519.98-105,165,638.63-65,844,082.72

Finding the Fourth Proportional to 70,110,519.98, 105,165,638.63 and 65,844,082.72

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Solution

The fourth proportional to 70,110,519.98, 105,165,638.63 and 65,844,082.72 is: 98,765,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110,519.98 : 105,165,638.63 = 65,844,082.72 : x
  2. Step 2: Convert to fraction form
    70,110,519.98/105,165,638.63 = 65,844,082.72/x
  3. Step 3: Cross multiply
    70,110,519.98x = 105,165,638.63 × 65,844,082.72
  4. Step 4: Simplify right side
    70,110,519.98x = 6,924,535,008,663,213
  5. Step 5: Solve for x
    x = 6,924,535,008,663,213/70,110,519.98
  6. Step 6: Final answer
    x = 98,765,991.33

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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.