Home / 139,968,110.80-209,952,166.20-49,058,894.80

Finding the Fourth Proportional to 139,968,110.80, 209,952,166.20 and 49,058,894.80

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Solution

The fourth proportional to 139,968,110.80, 209,952,166.20 and 49,058,894.80 is: 73,588,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,110.80 : 209,952,166.20 = 49,058,894.80 : x
  2. Step 2: Convert to fraction form
    139,968,110.80/209,952,166.20 = 49,058,894.80/x
  3. Step 3: Cross multiply
    139,968,110.80x = 209,952,166.20 × 49,058,894.80
  4. Step 4: Simplify right side
    139,968,110.80x = 10,300,021,234,637,914
  5. Step 5: Solve for x
    x = 10,300,021,234,637,914/139,968,110.80
  6. Step 6: Final answer
    x = 73,588,342.20

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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.