Home / 139,789,550.40-209,684,325.60-98,974,881.60

Finding the Fourth Proportional to 139,789,550.40, 209,684,325.60 and 98,974,881.60

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Solution

The fourth proportional to 139,789,550.40, 209,684,325.60 and 98,974,881.60 is: 148,462,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,789,550.40 : 209,684,325.60 = 98,974,881.60 : x
  2. Step 2: Convert to fraction form
    139,789,550.40/209,684,325.60 = 98,974,881.60/x
  3. Step 3: Cross multiply
    139,789,550.40x = 209,684,325.60 × 98,974,881.60
  4. Step 4: Simplify right side
    139,789,550.40x = 20,753,481,299,635,848
  5. Step 5: Solve for x
    x = 20,753,481,299,635,848/139,789,550.40
  6. Step 6: Final answer
    x = 148,462,322.40

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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.