Home / 124,139,571.84-171,317,924.16-69,135,428.16

Finding the Fourth Proportional to 124,139,571.84, 171,317,924.16 and 69,135,428.16

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Solution

The fourth proportional to 124,139,571.84, 171,317,924.16 and 69,135,428.16 is: 95,409,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,139,571.84 : 171,317,924.16 = 69,135,428.16 : x
  2. Step 2: Convert to fraction form
    124,139,571.84/171,317,924.16 = 69,135,428.16/x
  3. Step 3: Cross multiply
    124,139,571.84x = 171,317,924.16 × 69,135,428.16
  4. Step 4: Simplify right side
    124,139,571.84x = 11,844,138,038,284,008
  5. Step 5: Solve for x
    x = 11,844,138,038,284,008/124,139,571.84
  6. Step 6: Final answer
    x = 95,409,850.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.