Home / 139,974,257.60-209,961,386.40-131,471,201.60

Finding the Fourth Proportional to 139,974,257.60, 209,961,386.40 and 131,471,201.60

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Solution

The fourth proportional to 139,974,257.60, 209,961,386.40 and 131,471,201.60 is: 197,206,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,974,257.60 : 209,961,386.40 = 131,471,201.60 : x
  2. Step 2: Convert to fraction form
    139,974,257.60/209,961,386.40 = 131,471,201.60/x
  3. Step 3: Cross multiply
    139,974,257.60x = 209,961,386.40 × 131,471,201.60
  4. Step 4: Simplify right side
    139,974,257.60x = 27,603,875,759,609,896
  5. Step 5: Solve for x
    x = 27,603,875,759,609,896/139,974,257.60
  6. Step 6: Final answer
    x = 197,206,802.40

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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.