Home / 252,980,639.62-349,106,725.29-139,954,307.20

Finding the Fourth Proportional to 252,980,639.62, 349,106,725.29 and 139,954,307.20

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Solution

The fourth proportional to 252,980,639.62, 349,106,725.29 and 139,954,307.20 is: 193,133,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,980,639.62 : 349,106,725.29 = 139,954,307.20 : x
  2. Step 2: Convert to fraction form
    252,980,639.62/349,106,725.29 = 139,954,307.20/x
  3. Step 3: Cross multiply
    252,980,639.62x = 349,106,725.29 × 139,954,307.20
  4. Step 4: Simplify right side
    252,980,639.62x = 48,858,989,875,949,904
  5. Step 5: Solve for x
    x = 48,858,989,875,949,904/252,980,639.62
  6. Step 6: Final answer
    x = 193,133,316.25

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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.