Home / 145,093,086.78-200,236,875.39-109,265,384.87

Finding the Fourth Proportional to 145,093,086.78, 200,236,875.39 and 109,265,384.87

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Solution

The fourth proportional to 145,093,086.78, 200,236,875.39 and 109,265,384.87 is: 150,792,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,093,086.78 : 200,236,875.39 = 109,265,384.87 : x
  2. Step 2: Convert to fraction form
    145,093,086.78/200,236,875.39 = 109,265,384.87/x
  3. Step 3: Cross multiply
    145,093,086.78x = 200,236,875.39 × 109,265,384.87
  4. Step 4: Simplify right side
    145,093,086.78x = 21,878,959,254,404,284
  5. Step 5: Solve for x
    x = 21,878,959,254,404,284/145,093,086.78
  6. Step 6: Final answer
    x = 150,792,568.69

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1.5x scale

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.