Home / 140,115,166.58-210,192,807.09-43,079,020.67

Finding the Fourth Proportional to 140,115,166.58, 210,192,807.09 and 43,079,020.67

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Solution

The fourth proportional to 140,115,166.58, 210,192,807.09 and 43,079,020.67 is: 64,624,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,115,166.58 : 210,192,807.09 = 43,079,020.67 : x
  2. Step 2: Convert to fraction form
    140,115,166.58/210,192,807.09 = 43,079,020.67/x
  3. Step 3: Cross multiply
    140,115,166.58x = 210,192,807.09 × 43,079,020.67
  4. Step 4: Simplify right side
    140,115,166.58x = 9,054,900,281,315,434
  5. Step 5: Solve for x
    x = 9,054,900,281,315,434/140,115,166.58
  6. Step 6: Final answer
    x = 64,624,697.68

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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.