Home / 144,292,404.07-199,118,182.94-78,211,483.51

Finding the Fourth Proportional to 144,292,404.07, 199,118,182.94 and 78,211,483.51

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Solution

The fourth proportional to 144,292,404.07, 199,118,182.94 and 78,211,483.51 is: 107,928,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292,404.07 : 199,118,182.94 = 78,211,483.51 : x
  2. Step 2: Convert to fraction form
    144,292,404.07/199,118,182.94 = 78,211,483.51/x
  3. Step 3: Cross multiply
    144,292,404.07x = 199,118,182.94 × 78,211,483.51
  4. Step 4: Simplify right side
    144,292,404.07x = 15,573,328,481,161,918
  5. Step 5: Solve for x
    x = 15,573,328,481,161,918/144,292,404.07
  6. Step 6: Final answer
    x = 107,928,955.66

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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.