Home / 38,648,462.51-53,360,560.81-29,691,620.20

Finding the Fourth Proportional to 38,648,462.51, 53,360,560.81 and 29,691,620.20

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Solution

The fourth proportional to 38,648,462.51, 53,360,560.81 and 29,691,620.20 is: 40,994,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648,462.51 : 53,360,560.81 = 29,691,620.20 : x
  2. Step 2: Convert to fraction form
    38,648,462.51/53,360,560.81 = 29,691,620.20/x
  3. Step 3: Cross multiply
    38,648,462.51x = 53,360,560.81 × 29,691,620.20
  4. Step 4: Simplify right side
    38,648,462.51x = 1,584,361,505,033,186.50
  5. Step 5: Solve for x
    x = 1,584,361,505,033,186.50/38,648,462.51
  6. Step 6: Final answer
    x = 40,994,166.45

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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.