Home / 242,410,942.68-334,528,122.45-136,565,627.94

Finding the Fourth Proportional to 242,410,942.68, 334,528,122.45 and 136,565,627.94

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Solution

The fourth proportional to 242,410,942.68, 334,528,122.45 and 136,565,627.94 is: 188,461,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,410,942.68 : 334,528,122.45 = 136,565,627.94 : x
  2. Step 2: Convert to fraction form
    242,410,942.68/334,528,122.45 = 136,565,627.94/x
  3. Step 3: Cross multiply
    242,410,942.68x = 334,528,122.45 × 136,565,627.94
  4. Step 4: Simplify right side
    242,410,942.68x = 45,685,043,105,973,456
  5. Step 5: Solve for x
    x = 45,685,043,105,973,456/242,410,942.68
  6. Step 6: Final answer
    x = 188,461,142.06

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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.