Home / 218,513,093.76-327,791,702.70-70,954,483.86

Finding the Fourth Proportional to 218,513,093.76, 327,791,702.70 and 70,954,483.86

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Solution

The fourth proportional to 218,513,093.76, 327,791,702.70 and 70,954,483.86 is: 106,438,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,513,093.76 : 327,791,702.70 = 70,954,483.86 : x
  2. Step 2: Convert to fraction form
    218,513,093.76/327,791,702.70 = 70,954,483.86/x
  3. Step 3: Cross multiply
    218,513,093.76x = 327,791,702.70 × 70,954,483.86
  4. Step 4: Simplify right side
    218,513,093.76x = 23,258,291,078,669,068
  5. Step 5: Solve for x
    x = 23,258,291,078,669,068/218,513,093.76
  6. Step 6: Final answer
    x = 106,438,889.67

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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.