Home / 116,543,138.40-174,814,707.60-112,064,162.40

Finding the Fourth Proportional to 116,543,138.40, 174,814,707.60 and 112,064,162.40

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Solution

The fourth proportional to 116,543,138.40, 174,814,707.60 and 112,064,162.40 is: 168,096,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,543,138.40 : 174,814,707.60 = 112,064,162.40 : x
  2. Step 2: Convert to fraction form
    116,543,138.40/174,814,707.60 = 112,064,162.40/x
  3. Step 3: Cross multiply
    116,543,138.40x = 174,814,707.60 × 112,064,162.40
  4. Step 4: Simplify right side
    116,543,138.40x = 19,590,463,782,394,916
  5. Step 5: Solve for x
    x = 19,590,463,782,394,916/116,543,138.40
  6. Step 6: Final answer
    x = 168,096,243.60

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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.