Home / 118,100,543.20-177,150,814.80-83,663,166.40

Finding the Fourth Proportional to 118,100,543.20, 177,150,814.80 and 83,663,166.40

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Solution

The fourth proportional to 118,100,543.20, 177,150,814.80 and 83,663,166.40 is: 125,494,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,100,543.20 : 177,150,814.80 = 83,663,166.40 : x
  2. Step 2: Convert to fraction form
    118,100,543.20/177,150,814.80 = 83,663,166.40/x
  3. Step 3: Cross multiply
    118,100,543.20x = 177,150,814.80 × 83,663,166.40
  4. Step 4: Simplify right side
    118,100,543.20x = 14,820,998,096,507,984
  5. Step 5: Solve for x
    x = 14,820,998,096,507,984/118,100,543.20
  6. Step 6: Final answer
    x = 125,494,749.60

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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.