Home / 144,540,597.50-199,466,277.40-78,461,140.52

Finding the Fourth Proportional to 144,540,597.50, 199,466,277.40 and 78,461,140.52

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Solution

The fourth proportional to 144,540,597.50, 199,466,277.40 and 78,461,140.52 is: 108,276,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,540,597.50 : 199,466,277.40 = 78,461,140.52 : x
  2. Step 2: Convert to fraction form
    144,540,597.50/199,466,277.40 = 78,461,140.52/x
  3. Step 3: Cross multiply
    144,540,597.50x = 199,466,277.40 × 78,461,140.52
  4. Step 4: Simplify right side
    144,540,597.50x = 15,650,351,619,759,760
  5. Step 5: Solve for x
    x = 15,650,351,619,759,760/144,540,597.50
  6. Step 6: Final answer
    x = 108,276,511.17

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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.