Home / 313,030,282.41-431,973,570.06-173,797,464.33

Finding the Fourth Proportional to 313,030,282.41, 431,973,570.06 and 173,797,464.33

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Solution

The fourth proportional to 313,030,282.41, 431,973,570.06 and 173,797,464.33 is: 239,835,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,030,282.41 : 431,973,570.06 = 173,797,464.33 : x
  2. Step 2: Convert to fraction form
    313,030,282.41/431,973,570.06 = 173,797,464.33/x
  3. Step 3: Cross multiply
    313,030,282.41x = 431,973,570.06 × 173,797,464.33
  4. Step 4: Simplify right side
    313,030,282.41x = 75,075,911,134,005,616
  5. Step 5: Solve for x
    x = 75,075,911,134,005,616/313,030,282.41
  6. Step 6: Final answer
    x = 239,835,937.14

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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.