Home / 200,085,384.40-300,128,076.60-166,073,160.40

Finding the Fourth Proportional to 200,085,384.40, 300,128,076.60 and 166,073,160.40

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Solution

The fourth proportional to 200,085,384.40, 300,128,076.60 and 166,073,160.40 is: 249,109,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,085,384.40 : 300,128,076.60 = 166,073,160.40 : x
  2. Step 2: Convert to fraction form
    200,085,384.40/300,128,076.60 = 166,073,160.40/x
  3. Step 3: Cross multiply
    200,085,384.40x = 300,128,076.60 × 166,073,160.40
  4. Step 4: Simplify right side
    200,085,384.40x = 49,843,218,205,735,296
  5. Step 5: Solve for x
    x = 49,843,218,205,735,296/200,085,384.40
  6. Step 6: Final answer
    x = 249,109,740.60

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1.5x scale

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.