Home / 104,976,589.05-157,464,883.58-79,467,421.05

Finding the Fourth Proportional to 104,976,589.05, 157,464,883.58 and 79,467,421.05

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Solution

The fourth proportional to 104,976,589.05, 157,464,883.58 and 79,467,421.05 is: 119,201,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,589.05 : 157,464,883.58 = 79,467,421.05 : x
  2. Step 2: Convert to fraction form
    104,976,589.05/157,464,883.58 = 79,467,421.05/x
  3. Step 3: Cross multiply
    104,976,589.05x = 157,464,883.58 × 79,467,421.05
  4. Step 4: Simplify right side
    104,976,589.05x = 12,513,328,203,643,752
  5. Step 5: Solve for x
    x = 12,513,328,203,643,752/104,976,589.05
  6. Step 6: Final answer
    x = 119,201,131.58

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Double scale
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1.5x scale

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.