Home / 102,540,091.80-153,810,137.70-48,792,379.80

Finding the Fourth Proportional to 102,540,091.80, 153,810,137.70 and 48,792,379.80

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Solution

The fourth proportional to 102,540,091.80, 153,810,137.70 and 48,792,379.80 is: 73,188,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,540,091.80 : 153,810,137.70 = 48,792,379.80 : x
  2. Step 2: Convert to fraction form
    102,540,091.80/153,810,137.70 = 48,792,379.80/x
  3. Step 3: Cross multiply
    102,540,091.80x = 153,810,137.70 × 48,792,379.80
  4. Step 4: Simplify right side
    102,540,091.80x = 7,504,762,655,748,697
  5. Step 5: Solve for x
    x = 7,504,762,655,748,697/102,540,091.80
  6. Step 6: Final answer
    x = 73,188,569.70

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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.