Home / 553,392,936.80-830,089,405.20-144,449,087.30

Finding the Fourth Proportional to 553,392,936.80, 830,089,405.20 and 144,449,087.30

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Solution

The fourth proportional to 553,392,936.80, 830,089,405.20 and 144,449,087.30 is: 216,673,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,392,936.80 : 830,089,405.20 = 144,449,087.30 : x
  2. Step 2: Convert to fraction form
    553,392,936.80/830,089,405.20 = 144,449,087.30/x
  3. Step 3: Cross multiply
    553,392,936.80x = 830,089,405.20 × 144,449,087.30
  4. Step 4: Simplify right side
    553,392,936.80x = 119,905,656,958,539,888
  5. Step 5: Solve for x
    x = 119,905,656,958,539,888/553,392,936.80
  6. Step 6: Final answer
    x = 216,673,630.95

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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.