Home / 104,976,009.80-157,464,014.70-76,086,614.60

Finding the Fourth Proportional to 104,976,009.80, 157,464,014.70 and 76,086,614.60

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Solution

The fourth proportional to 104,976,009.80, 157,464,014.70 and 76,086,614.60 is: 114,129,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,009.80 : 157,464,014.70 = 76,086,614.60 : x
  2. Step 2: Convert to fraction form
    104,976,009.80/157,464,014.70 = 76,086,614.60/x
  3. Step 3: Cross multiply
    104,976,009.80x = 157,464,014.70 × 76,086,614.60
  4. Step 4: Simplify right side
    104,976,009.80x = 11,980,903,799,847,632
  5. Step 5: Solve for x
    x = 11,980,903,799,847,632/104,976,009.80
  6. Step 6: Final answer
    x = 114,129,921.90

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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.