Home / 112,986,643.20-169,479,964.80-36,317,421.60

Finding the Fourth Proportional to 112,986,643.20, 169,479,964.80 and 36,317,421.60

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Solution

The fourth proportional to 112,986,643.20, 169,479,964.80 and 36,317,421.60 is: 54,476,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,986,643.20 : 169,479,964.80 = 36,317,421.60 : x
  2. Step 2: Convert to fraction form
    112,986,643.20/169,479,964.80 = 36,317,421.60/x
  3. Step 3: Cross multiply
    112,986,643.20x = 169,479,964.80 × 36,317,421.60
  4. Step 4: Simplify right side
    112,986,643.20x = 6,155,075,334,394,760
  5. Step 5: Solve for x
    x = 6,155,075,334,394,760/112,986,643.20
  6. Step 6: Final answer
    x = 54,476,132.40

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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.