Home / 170,355,615.80-255,533,423.70-109,133,612.60

Finding the Fourth Proportional to 170,355,615.80, 255,533,423.70 and 109,133,612.60

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Solution

The fourth proportional to 170,355,615.80, 255,533,423.70 and 109,133,612.60 is: 163,700,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,355,615.80 : 255,533,423.70 = 109,133,612.60 : x
  2. Step 2: Convert to fraction form
    170,355,615.80/255,533,423.70 = 109,133,612.60/x
  3. Step 3: Cross multiply
    170,355,615.80x = 255,533,423.70 × 109,133,612.60
  4. Step 4: Simplify right side
    170,355,615.80x = 27,887,285,668,427,456
  5. Step 5: Solve for x
    x = 27,887,285,668,427,456/170,355,615.80
  6. Step 6: Final answer
    x = 163,700,418.90

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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.