Home / 159,444,880.43-220,033,937.72-86,106,022.43

Finding the Fourth Proportional to 159,444,880.43, 220,033,937.72 and 86,106,022.43

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Solution

The fourth proportional to 159,444,880.43, 220,033,937.72 and 86,106,022.43 is: 118,826,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,444,880.43 : 220,033,937.72 = 86,106,022.43 : x
  2. Step 2: Convert to fraction form
    159,444,880.43/220,033,937.72 = 86,106,022.43/x
  3. Step 3: Cross multiply
    159,444,880.43x = 220,033,937.72 × 86,106,022.43
  4. Step 4: Simplify right side
    159,444,880.43x = 18,946,247,176,249,016
  5. Step 5: Solve for x
    x = 18,946,247,176,249,016/159,444,880.43
  6. Step 6: Final answer
    x = 118,826,312.42

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1.5x scale

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.