Home / 317,143,742.89-437,661,351.84-177,917,494.01

Finding the Fourth Proportional to 317,143,742.89, 437,661,351.84 and 177,917,494.01

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Solution

The fourth proportional to 317,143,742.89, 437,661,351.84 and 177,917,494.01 is: 245,527,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,143,742.89 : 437,661,351.84 = 177,917,494.01 : x
  2. Step 2: Convert to fraction form
    317,143,742.89/437,661,351.84 = 177,917,494.01/x
  3. Step 3: Cross multiply
    317,143,742.89x = 437,661,351.84 × 177,917,494.01
  4. Step 4: Simplify right side
    317,143,742.89x = 77,867,610,944,226,752
  5. Step 5: Solve for x
    x = 77,867,610,944,226,752/317,143,742.89
  6. Step 6: Final answer
    x = 245,527,817.25

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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.