Home / 118,743,946.40-178,091,036.40-58,203,120.80

Finding the Fourth Proportional to 118,743,946.40, 178,091,036.40 and 58,203,120.80

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Solution

The fourth proportional to 118,743,946.40, 178,091,036.40 and 58,203,120.80 is: 87,292,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,743,946.40 : 178,091,036.40 = 58,203,120.80 : x
  2. Step 2: Convert to fraction form
    118,743,946.40/178,091,036.40 = 58,203,120.80/x
  3. Step 3: Cross multiply
    118,743,946.40x = 178,091,036.40 × 58,203,120.80
  4. Step 4: Simplify right side
    118,743,946.40x = 10,365,454,104,986,396
  5. Step 5: Solve for x
    x = 10,365,454,104,986,396/118,743,946.40
  6. Step 6: Final answer
    x = 87,292,484.54

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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.