Home / 65,717,712.24-90,662,673.12-43,994,678.64

Finding the Fourth Proportional to 65,717,712.24, 90,662,673.12 and 43,994,678.64

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Solution

The fourth proportional to 65,717,712.24, 90,662,673.12 and 43,994,678.64 is: 60,694,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717,712.24 : 90,662,673.12 = 43,994,678.64 : x
  2. Step 2: Convert to fraction form
    65,717,712.24/90,662,673.12 = 43,994,678.64/x
  3. Step 3: Cross multiply
    65,717,712.24x = 90,662,673.12 × 43,994,678.64
  4. Step 4: Simplify right side
    65,717,712.24x = 3,988,675,168,557,766.50
  5. Step 5: Solve for x
    x = 3,988,675,168,557,766.50/65,717,712.24
  6. Step 6: Final answer
    x = 60,694,066.07

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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.