Home / 139,968,798.30-209,953,197.45-122,962,686.30

Finding the Fourth Proportional to 139,968,798.30, 209,953,197.45 and 122,962,686.30

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Solution

The fourth proportional to 139,968,798.30, 209,953,197.45 and 122,962,686.30 is: 184,444,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,798.30 : 209,953,197.45 = 122,962,686.30 : x
  2. Step 2: Convert to fraction form
    139,968,798.30/209,953,197.45 = 122,962,686.30/x
  3. Step 3: Cross multiply
    139,968,798.30x = 209,953,197.45 × 122,962,686.30
  4. Step 4: Simplify right side
    139,968,798.30x = 25,816,409,155,726,308
  5. Step 5: Solve for x
    x = 25,816,409,155,726,308/139,968,798.30
  6. Step 6: Final answer
    x = 184,444,029.45

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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.