Home / 81,319,513.72-112,222,533.90-44,649,763.96

Finding the Fourth Proportional to 81,319,513.72, 112,222,533.90 and 44,649,763.96

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Solution

The fourth proportional to 81,319,513.72, 112,222,533.90 and 44,649,763.96 is: 61,617,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,319,513.72 : 112,222,533.90 = 44,649,763.96 : x
  2. Step 2: Convert to fraction form
    81,319,513.72/112,222,533.90 = 44,649,763.96/x
  3. Step 3: Cross multiply
    81,319,513.72x = 112,222,533.90 × 44,649,763.96
  4. Step 4: Simplify right side
    81,319,513.72x = 5,010,709,649,628,099
  5. Step 5: Solve for x
    x = 5,010,709,649,628,099/81,319,513.72
  6. Step 6: Final answer
    x = 61,617,555.50

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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.