Home / 131,226,047.51-180,956,304.99-112,702,522.01

Finding the Fourth Proportional to 131,226,047.51, 180,956,304.99 and 112,702,522.01

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Solution

The fourth proportional to 131,226,047.51, 180,956,304.99 and 112,702,522.01 is: 155,412,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,226,047.51 : 180,956,304.99 = 112,702,522.01 : x
  2. Step 2: Convert to fraction form
    131,226,047.51/180,956,304.99 = 112,702,522.01/x
  3. Step 3: Cross multiply
    131,226,047.51x = 180,956,304.99 × 112,702,522.01
  4. Step 4: Simplify right side
    131,226,047.51x = 20,394,231,945,078,968
  5. Step 5: Solve for x
    x = 20,394,231,945,078,968/131,226,047.51
  6. Step 6: Final answer
    x = 155,412,986.47

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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.