Home / 193,550,688.30-290,326,032.45-129,053,433.90

Finding the Fourth Proportional to 193,550,688.30, 290,326,032.45 and 129,053,433.90

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Solution

The fourth proportional to 193,550,688.30, 290,326,032.45 and 129,053,433.90 is: 193,580,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550,688.30 : 290,326,032.45 = 129,053,433.90 : x
  2. Step 2: Convert to fraction form
    193,550,688.30/290,326,032.45 = 129,053,433.90/x
  3. Step 3: Cross multiply
    193,550,688.30x = 290,326,032.45 × 129,053,433.90
  4. Step 4: Simplify right side
    193,550,688.30x = 37,467,571,438,235,328
  5. Step 5: Solve for x
    x = 37,467,571,438,235,328/193,550,688.30
  6. Step 6: Final answer
    x = 193,580,150.85

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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.