Home / 112,113,959.60-168,170,939.40-109,594,535.60

Finding the Fourth Proportional to 112,113,959.60, 168,170,939.40 and 109,594,535.60

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Solution

The fourth proportional to 112,113,959.60, 168,170,939.40 and 109,594,535.60 is: 164,391,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,113,959.60 : 168,170,939.40 = 109,594,535.60 : x
  2. Step 2: Convert to fraction form
    112,113,959.60/168,170,939.40 = 109,594,535.60/x
  3. Step 3: Cross multiply
    112,113,959.60x = 168,170,939.40 × 109,594,535.60
  4. Step 4: Simplify right side
    112,113,959.60x = 18,430,616,004,958,744
  5. Step 5: Solve for x
    x = 18,430,616,004,958,744/112,113,959.60
  6. Step 6: Final answer
    x = 164,391,803.40

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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.