Home / 119,624,735.22-165,112,847.54-77,912,740.32

Finding the Fourth Proportional to 119,624,735.22, 165,112,847.54 and 77,912,740.32

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Solution

The fourth proportional to 119,624,735.22, 165,112,847.54 and 77,912,740.32 is: 107,539,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,735.22 : 165,112,847.54 = 77,912,740.32 : x
  2. Step 2: Convert to fraction form
    119,624,735.22/165,112,847.54 = 77,912,740.32/x
  3. Step 3: Cross multiply
    119,624,735.22x = 165,112,847.54 × 77,912,740.32
  4. Step 4: Simplify right side
    119,624,735.22x = 12,864,394,413,879,768
  5. Step 5: Solve for x
    x = 12,864,394,413,879,768/119,624,735.22
  6. Step 6: Final answer
    x = 107,539,585.27

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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.