Home / 63,219,231.83-87,256,574.88-38,434,152.17

Finding the Fourth Proportional to 63,219,231.83, 87,256,574.88 and 38,434,152.17

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Solution

The fourth proportional to 63,219,231.83, 87,256,574.88 and 38,434,152.17 is: 53,047,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,219,231.83 : 87,256,574.88 = 38,434,152.17 : x
  2. Step 2: Convert to fraction form
    63,219,231.83/87,256,574.88 = 38,434,152.17/x
  3. Step 3: Cross multiply
    63,219,231.83x = 87,256,574.88 × 38,434,152.17
  4. Step 4: Simplify right side
    63,219,231.83x = 3,353,632,476,770,919.50
  5. Step 5: Solve for x
    x = 3,353,632,476,770,919.50/63,219,231.83
  6. Step 6: Final answer
    x = 53,047,662.55

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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.