Home / 255,346,794.19-383,073,991.48-82,810,154.21

Finding the Fourth Proportional to 255,346,794.19, 383,073,991.48 and 82,810,154.21

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Solution

The fourth proportional to 255,346,794.19, 383,073,991.48 and 82,810,154.21 is: 124,232,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,346,794.19 : 383,073,991.48 = 82,810,154.21 : x
  2. Step 2: Convert to fraction form
    255,346,794.19/383,073,991.48 = 82,810,154.21/x
  3. Step 3: Cross multiply
    255,346,794.19x = 383,073,991.48 × 82,810,154.21
  4. Step 4: Simplify right side
    255,346,794.19x = 31,722,416,308,299,024
  5. Step 5: Solve for x
    x = 31,722,416,308,299,024/255,346,794.19
  6. Step 6: Final answer
    x = 124,232,678.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.