Home / 242,284,376.88-363,471,705-78,507,528.48

Finding the Fourth Proportional to 242,284,376.88, 363,471,705 and 78,507,528.48

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Solution

The fourth proportional to 242,284,376.88, 363,471,705 and 78,507,528.48 is: 117,775,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,284,376.88 : 363,471,705 = 78,507,528.48 : x
  2. Step 2: Convert to fraction form
    242,284,376.88/363,471,705 = 78,507,528.48/x
  3. Step 3: Cross multiply
    242,284,376.88x = 363,471,705 × 78,507,528.48
  4. Step 4: Simplify right side
    242,284,376.88x = 28,535,265,231,961,660
  5. Step 5: Solve for x
    x = 28,535,265,231,961,660/242,284,376.88
  6. Step 6: Final answer
    x = 117,775,919.35

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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.