Home / 139,968,704.70-209,953,057.05-96,886,554.30

Finding the Fourth Proportional to 139,968,704.70, 209,953,057.05 and 96,886,554.30

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Solution

The fourth proportional to 139,968,704.70, 209,953,057.05 and 96,886,554.30 is: 145,329,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,704.70 : 209,953,057.05 = 96,886,554.30 : x
  2. Step 2: Convert to fraction form
    139,968,704.70/209,953,057.05 = 96,886,554.30/x
  3. Step 3: Cross multiply
    139,968,704.70x = 209,953,057.05 × 96,886,554.30
  4. Step 4: Simplify right side
    139,968,704.70x = 20,341,628,262,325,824
  5. Step 5: Solve for x
    x = 20,341,628,262,325,824/139,968,704.70
  6. Step 6: Final answer
    x = 145,329,831.45

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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.