Home / 217,591,139.20-300,272,955.44-118,470,749.70

Finding the Fourth Proportional to 217,591,139.20, 300,272,955.44 and 118,470,749.70

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Solution

The fourth proportional to 217,591,139.20, 300,272,955.44 and 118,470,749.70 is: 163,488,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,591,139.20 : 300,272,955.44 = 118,470,749.70 : x
  2. Step 2: Convert to fraction form
    217,591,139.20/300,272,955.44 = 118,470,749.70/x
  3. Step 3: Cross multiply
    217,591,139.20x = 300,272,955.44 × 118,470,749.70
  4. Step 4: Simplify right side
    217,591,139.20x = 35,573,562,145,019,140
  5. Step 5: Solve for x
    x = 35,573,562,145,019,140/217,591,139.20
  6. Step 6: Final answer
    x = 163,488,101.01

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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.