Home / 109,077,131.20-163,615,696.80-100,148,922.40

Finding the Fourth Proportional to 109,077,131.20, 163,615,696.80 and 100,148,922.40

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Solution

The fourth proportional to 109,077,131.20, 163,615,696.80 and 100,148,922.40 is: 150,223,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,077,131.20 : 163,615,696.80 = 100,148,922.40 : x
  2. Step 2: Convert to fraction form
    109,077,131.20/163,615,696.80 = 100,148,922.40/x
  3. Step 3: Cross multiply
    109,077,131.20x = 163,615,696.80 × 100,148,922.40
  4. Step 4: Simplify right side
    109,077,131.20x = 16,385,935,722,245,130
  5. Step 5: Solve for x
    x = 16,385,935,722,245,130/109,077,131.20
  6. Step 6: Final answer
    x = 150,223,383.60

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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.