Home / 116,905,675.68-161,330,146.20-64,698,311.52

Finding the Fourth Proportional to 116,905,675.68, 161,330,146.20 and 64,698,311.52

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Solution

The fourth proportional to 116,905,675.68, 161,330,146.20 and 64,698,311.52 is: 89,283,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,905,675.68 : 161,330,146.20 = 64,698,311.52 : x
  2. Step 2: Convert to fraction form
    116,905,675.68/161,330,146.20 = 64,698,311.52/x
  3. Step 3: Cross multiply
    116,905,675.68x = 161,330,146.20 × 64,698,311.52
  4. Step 4: Simplify right side
    116,905,675.68x = 10,437,788,056,414,744
  5. Step 5: Solve for x
    x = 10,437,788,056,414,744/116,905,675.68
  6. Step 6: Final answer
    x = 89,283,843.54

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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.