Home / 139,968,668.10-209,953,002.15-111,058,277.70

Finding the Fourth Proportional to 139,968,668.10, 209,953,002.15 and 111,058,277.70

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Solution

The fourth proportional to 139,968,668.10, 209,953,002.15 and 111,058,277.70 is: 166,587,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,668.10 : 209,953,002.15 = 111,058,277.70 : x
  2. Step 2: Convert to fraction form
    139,968,668.10/209,953,002.15 = 111,058,277.70/x
  3. Step 3: Cross multiply
    139,968,668.10x = 209,953,002.15 × 111,058,277.70
  4. Step 4: Simplify right side
    139,968,668.10x = 23,317,018,816,723,400
  5. Step 5: Solve for x
    x = 23,317,018,816,723,400/139,968,668.10
  6. Step 6: Final answer
    x = 166,587,416.55

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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.