Home / 217,591,132.95-300,272,946.82-118,470,743.44

Finding the Fourth Proportional to 217,591,132.95, 300,272,946.82 and 118,470,743.44

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Solution

The fourth proportional to 217,591,132.95, 300,272,946.82 and 118,470,743.44 is: 163,488,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,591,132.95 : 300,272,946.82 = 118,470,743.44 : x
  2. Step 2: Convert to fraction form
    217,591,132.95/300,272,946.82 = 118,470,743.44/x
  3. Step 3: Cross multiply
    217,591,132.95x = 300,272,946.82 × 118,470,743.44
  4. Step 4: Simplify right side
    217,591,132.95x = 35,573,559,243,638,124
  5. Step 5: Solve for x
    x = 35,573,559,243,638,124/217,591,132.95
  6. Step 6: Final answer
    x = 163,488,092.37

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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.