Home / 86,983,922.43-120,038,287.41-51,221,923.47

Finding the Fourth Proportional to 86,983,922.43, 120,038,287.41 and 51,221,923.47

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Solution

The fourth proportional to 86,983,922.43, 120,038,287.41 and 51,221,923.47 is: 70,686,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,983,922.43 : 120,038,287.41 = 51,221,923.47 : x
  2. Step 2: Convert to fraction form
    86,983,922.43/120,038,287.41 = 51,221,923.47/x
  3. Step 3: Cross multiply
    86,983,922.43x = 120,038,287.41 × 51,221,923.47
  4. Step 4: Simplify right side
    86,983,922.43x = 6,148,591,971,184,884
  5. Step 5: Solve for x
    x = 6,148,591,971,184,884/86,983,922.43
  6. Step 6: Final answer
    x = 70,686,533.78

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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.