Home / 201,070,913.49-277,505,832.13-112,971,730.05

Finding the Fourth Proportional to 201,070,913.49, 277,505,832.13 and 112,971,730.05

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Solution

The fourth proportional to 201,070,913.49, 277,505,832.13 and 112,971,730.05 is: 155,916,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,070,913.49 : 277,505,832.13 = 112,971,730.05 : x
  2. Step 2: Convert to fraction form
    201,070,913.49/277,505,832.13 = 112,971,730.05/x
  3. Step 3: Cross multiply
    201,070,913.49x = 277,505,832.13 × 112,971,730.05
  4. Step 4: Simplify right side
    201,070,913.49x = 31,350,313,954,408,548
  5. Step 5: Solve for x
    x = 31,350,313,954,408,548/201,070,913.49
  6. Step 6: Final answer
    x = 155,916,703.27

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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.