Home / 70,110,379.80-105,165,428.67-65,843,942.67

Finding the Fourth Proportional to 70,110,379.80, 105,165,428.67 and 65,843,942.67

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Solution

The fourth proportional to 70,110,379.80, 105,165,428.67 and 65,843,942.67 is: 98,765,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110,379.80 : 105,165,428.67 = 65,843,942.67 : x
  2. Step 2: Convert to fraction form
    70,110,379.80/105,165,428.67 = 65,843,942.67/x
  3. Step 3: Cross multiply
    70,110,379.80x = 105,165,428.67 × 65,843,942.67
  4. Step 4: Simplify right side
    70,110,379.80x = 6,924,506,456,213,455
  5. Step 5: Solve for x
    x = 6,924,506,456,213,455/70,110,379.80
  6. Step 6: Final answer
    x = 98,765,781.56

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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.