Home / 188,704,648.32-260,411,880.56-106,198,430.64

Finding the Fourth Proportional to 188,704,648.32, 260,411,880.56 and 106,198,430.64

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Solution

The fourth proportional to 188,704,648.32, 260,411,880.56 and 106,198,430.64 is: 146,553,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,704,648.32 : 260,411,880.56 = 106,198,430.64 : x
  2. Step 2: Convert to fraction form
    188,704,648.32/260,411,880.56 = 106,198,430.64/x
  3. Step 3: Cross multiply
    188,704,648.32x = 260,411,880.56 × 106,198,430.64
  4. Step 4: Simplify right side
    188,704,648.32x = 27,655,333,035,483,124
  5. Step 5: Solve for x
    x = 27,655,333,035,483,124/188,704,648.32
  6. Step 6: Final answer
    x = 146,553,533.69

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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.