Home / 51,222,231.70-70,685,849.06-28,017,155.68

Finding the Fourth Proportional to 51,222,231.70, 70,685,849.06 and 28,017,155.68

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Solution

The fourth proportional to 51,222,231.70, 70,685,849.06 and 28,017,155.68 is: 38,663,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222,231.70 : 70,685,849.06 = 28,017,155.68 : x
  2. Step 2: Convert to fraction form
    51,222,231.70/70,685,849.06 = 28,017,155.68/x
  3. Step 3: Cross multiply
    51,222,231.70x = 70,685,849.06 × 28,017,155.68
  4. Step 4: Simplify right side
    51,222,231.70x = 1,980,416,437,487,001.75
  5. Step 5: Solve for x
    x = 1,980,416,437,487,001.75/51,222,231.70
  6. Step 6: Final answer
    x = 38,663,220.48

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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.