Home / 214,118,960.32-321,116,132.40-82,931,976.19

Finding the Fourth Proportional to 214,118,960.32, 321,116,132.40 and 82,931,976.19

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Solution

The fourth proportional to 214,118,960.32, 321,116,132.40 and 82,931,976.19 is: 124,373,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,118,960.32 : 321,116,132.40 = 82,931,976.19 : x
  2. Step 2: Convert to fraction form
    214,118,960.32/321,116,132.40 = 82,931,976.19/x
  3. Step 3: Cross multiply
    214,118,960.32x = 321,116,132.40 × 82,931,976.19
  4. Step 4: Simplify right side
    214,118,960.32x = 26,630,795,446,512,088
  5. Step 5: Solve for x
    x = 26,630,795,446,512,088/214,118,960.32
  6. Step 6: Final answer
    x = 124,373,831.29

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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.