Home / 144,292,384.98-199,118,156.67-78,211,464.46

Finding the Fourth Proportional to 144,292,384.98, 199,118,156.67 and 78,211,464.46

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Solution

The fourth proportional to 144,292,384.98, 199,118,156.67 and 78,211,464.46 is: 107,928,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292,384.98 : 199,118,156.67 = 78,211,464.46 : x
  2. Step 2: Convert to fraction form
    144,292,384.98/199,118,156.67 = 78,211,464.46/x
  3. Step 3: Cross multiply
    144,292,384.98x = 199,118,156.67 × 78,211,464.46
  4. Step 4: Simplify right side
    144,292,384.98x = 15,573,322,633,736,414
  5. Step 5: Solve for x
    x = 15,573,322,633,736,414/144,292,384.98
  6. Step 6: Final answer
    x = 107,928,929.42

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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.