Home / 116,413,789.20-174,620,683.80-39,739,318.80

Finding the Fourth Proportional to 116,413,789.20, 174,620,683.80 and 39,739,318.80

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Solution

The fourth proportional to 116,413,789.20, 174,620,683.80 and 39,739,318.80 is: 59,608,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,413,789.20 : 174,620,683.80 = 39,739,318.80 : x
  2. Step 2: Convert to fraction form
    116,413,789.20/174,620,683.80 = 39,739,318.80/x
  3. Step 3: Cross multiply
    116,413,789.20x = 174,620,683.80 × 39,739,318.80
  4. Step 4: Simplify right side
    116,413,789.20x = 6,939,307,022,602,195
  5. Step 5: Solve for x
    x = 6,939,307,022,602,195/116,413,789.20
  6. Step 6: Final answer
    x = 59,608,978.20

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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.