Home / 201,632,867.10-302,449,300.65-139,215,121.65

Finding the Fourth Proportional to 201,632,867.10, 302,449,300.65 and 139,215,121.65

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Solution

The fourth proportional to 201,632,867.10, 302,449,300.65 and 139,215,121.65 is: 208,822,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,632,867.10 : 302,449,300.65 = 139,215,121.65 : x
  2. Step 2: Convert to fraction form
    201,632,867.10/302,449,300.65 = 139,215,121.65/x
  3. Step 3: Cross multiply
    201,632,867.10x = 302,449,300.65 × 139,215,121.65
  4. Step 4: Simplify right side
    201,632,867.10x = 42,105,516,182,947,176
  5. Step 5: Solve for x
    x = 42,105,516,182,947,176/201,632,867.10
  6. Step 6: Final answer
    x = 208,822,682.48

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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.