Home / 144,292,383.98-199,118,155.29-78,211,463.46

Finding the Fourth Proportional to 144,292,383.98, 199,118,155.29 and 78,211,463.46

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Solution

The fourth proportional to 144,292,383.98, 199,118,155.29 and 78,211,463.46 is: 107,928,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292,383.98 : 199,118,155.29 = 78,211,463.46 : x
  2. Step 2: Convert to fraction form
    144,292,383.98/199,118,155.29 = 78,211,463.46/x
  3. Step 3: Cross multiply
    144,292,383.98x = 199,118,155.29 × 78,211,463.46
  4. Step 4: Simplify right side
    144,292,383.98x = 15,573,322,326,103,302
  5. Step 5: Solve for x
    x = 15,573,322,326,103,302/144,292,383.98
  6. Step 6: Final answer
    x = 107,928,928.04

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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.