Home / 193,550,428.80-290,325,643.20-86,055,004.80

Finding the Fourth Proportional to 193,550,428.80, 290,325,643.20 and 86,055,004.80

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Solution

The fourth proportional to 193,550,428.80, 290,325,643.20 and 86,055,004.80 is: 129,082,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550,428.80 : 290,325,643.20 = 86,055,004.80 : x
  2. Step 2: Convert to fraction form
    193,550,428.80/290,325,643.20 = 86,055,004.80/x
  3. Step 3: Cross multiply
    193,550,428.80x = 290,325,643.20 × 86,055,004.80
  4. Step 4: Simplify right side
    193,550,428.80x = 24,983,974,619,139,084
  5. Step 5: Solve for x
    x = 24,983,974,619,139,084/193,550,428.80
  6. Step 6: Final answer
    x = 129,082,507.20

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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.