Home / 281,326,159.20-421,681,309.20-99,479,733.60

Finding the Fourth Proportional to 281,326,159.20, 421,681,309.20 and 99,479,733.60

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Solution

The fourth proportional to 281,326,159.20, 421,681,309.20 and 99,479,733.60 is: 149,110,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,326,159.20 : 421,681,309.20 = 99,479,733.60 : x
  2. Step 2: Convert to fraction form
    281,326,159.20/421,681,309.20 = 99,479,733.60/x
  3. Step 3: Cross multiply
    281,326,159.20x = 421,681,309.20 × 99,479,733.60
  4. Step 4: Simplify right side
    281,326,159.20x = 41,948,744,303,315,224
  5. Step 5: Solve for x
    x = 41,948,744,303,315,224/281,326,159.20
  6. Step 6: Final answer
    x = 149,110,713.42

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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.