Home / 116,905,675.43-161,330,145.86-64,698,311.27

Finding the Fourth Proportional to 116,905,675.43, 161,330,145.86 and 64,698,311.27

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Solution

The fourth proportional to 116,905,675.43, 161,330,145.86 and 64,698,311.27 is: 89,283,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,905,675.43 : 161,330,145.86 = 64,698,311.27 : x
  2. Step 2: Convert to fraction form
    116,905,675.43/161,330,145.86 = 64,698,311.27/x
  3. Step 3: Cross multiply
    116,905,675.43x = 161,330,145.86 × 64,698,311.27
  4. Step 4: Simplify right side
    116,905,675.43x = 10,437,787,994,084,784
  5. Step 5: Solve for x
    x = 10,437,787,994,084,784/116,905,675.43
  6. Step 6: Final answer
    x = 89,283,843.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.