Home / 51,658,289.15-71,288,432.62-28,453,416.11

Finding the Fourth Proportional to 51,658,289.15, 71,288,432.62 and 28,453,416.11

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Solution

The fourth proportional to 51,658,289.15, 71,288,432.62 and 28,453,416.11 is: 39,265,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,658,289.15 : 71,288,432.62 = 28,453,416.11 : x
  2. Step 2: Convert to fraction form
    51,658,289.15/71,288,432.62 = 28,453,416.11/x
  3. Step 3: Cross multiply
    51,658,289.15x = 71,288,432.62 × 28,453,416.11
  4. Step 4: Simplify right side
    51,658,289.15x = 2,028,399,437,166,364
  5. Step 5: Solve for x
    x = 2,028,399,437,166,364/51,658,289.15
  6. Step 6: Final answer
    x = 39,265,710.71

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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.