Home / 118,992,222.47-178,394,461.86-75,180,635.52

Finding the Fourth Proportional to 118,992,222.47, 178,394,461.86 and 75,180,635.52

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Solution

The fourth proportional to 118,992,222.47, 178,394,461.86 and 75,180,635.52 is: 112,711,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,992,222.47 : 178,394,461.86 = 75,180,635.52 : x
  2. Step 2: Convert to fraction form
    118,992,222.47/178,394,461.86 = 75,180,635.52/x
  3. Step 3: Cross multiply
    118,992,222.47x = 178,394,461.86 × 75,180,635.52
  4. Step 4: Simplify right side
    118,992,222.47x = 13,411,809,015,883,202
  5. Step 5: Solve for x
    x = 13,411,809,015,883,202/118,992,222.47
  6. Step 6: Final answer
    x = 112,711,643.98

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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.