Home / 127,379,679.42-190,819,814.10-66,009,095.73

Finding the Fourth Proportional to 127,379,679.42, 190,819,814.10 and 66,009,095.73

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Solution

The fourth proportional to 127,379,679.42, 190,819,814.10 and 66,009,095.73 is: 98,884,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379,679.42 : 190,819,814.10 = 66,009,095.73 : x
  2. Step 2: Convert to fraction form
    127,379,679.42/190,819,814.10 = 66,009,095.73/x
  3. Step 3: Cross multiply
    127,379,679.42x = 190,819,814.10 × 66,009,095.73
  4. Step 4: Simplify right side
    127,379,679.42x = 12,595,843,376,107,702
  5. Step 5: Solve for x
    x = 12,595,843,376,107,702/127,379,679.42
  6. Step 6: Final answer
    x = 98,884,244.59

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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.