Home / 222,922,820.30-334,384,230.45-77,307,986.30

Finding the Fourth Proportional to 222,922,820.30, 334,384,230.45 and 77,307,986.30

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Solution

The fourth proportional to 222,922,820.30, 334,384,230.45 and 77,307,986.30 is: 115,961,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,922,820.30 : 334,384,230.45 = 77,307,986.30 : x
  2. Step 2: Convert to fraction form
    222,922,820.30/334,384,230.45 = 77,307,986.30/x
  3. Step 3: Cross multiply
    222,922,820.30x = 334,384,230.45 × 77,307,986.30
  4. Step 4: Simplify right side
    222,922,820.30x = 25,850,571,506,564,640
  5. Step 5: Solve for x
    x = 25,850,571,506,564,640/222,922,820.30
  6. Step 6: Final answer
    x = 115,961,979.45

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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.