Home / 73,720,936.80-110,440,400.40-39,630,952.80

Finding the Fourth Proportional to 73,720,936.80, 110,440,400.40 and 39,630,952.80

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Solution

The fourth proportional to 73,720,936.80, 110,440,400.40 and 39,630,952.80 is: 59,370,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,720,936.80 : 110,440,400.40 = 39,630,952.80 : x
  2. Step 2: Convert to fraction form
    73,720,936.80/110,440,400.40 = 39,630,952.80/x
  3. Step 3: Cross multiply
    73,720,936.80x = 110,440,400.40 × 39,630,952.80
  4. Step 4: Simplify right side
    73,720,936.80x = 4,376,858,295,465,501
  5. Step 5: Solve for x
    x = 4,376,858,295,465,501/73,720,936.80
  6. Step 6: Final answer
    x = 59,370,627.74

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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.