Home / 144,228,583.85-199,035,621.54-78,149,030.00

Finding the Fourth Proportional to 144,228,583.85, 199,035,621.54 and 78,149,030.00

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Solution

The fourth proportional to 144,228,583.85, 199,035,621.54 and 78,149,030.00 is: 107,845,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,228,583.85 : 199,035,621.54 = 78,149,030.00 : x
  2. Step 2: Convert to fraction form
    144,228,583.85/199,035,621.54 = 78,149,030.00/x
  3. Step 3: Cross multiply
    144,228,583.85x = 199,035,621.54 × 78,149,030.00
  4. Step 4: Simplify right side
    144,228,583.85x = 15,554,440,757,802,928
  5. Step 5: Solve for x
    x = 15,554,440,757,802,928/144,228,583.85
  6. Step 6: Final answer
    x = 107,845,756.67

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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.