Home / 118,355,759.67-163,335,992.54-66,144,793.79

Finding the Fourth Proportional to 118,355,759.67, 163,335,992.54 and 66,144,793.79

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Solution

The fourth proportional to 118,355,759.67, 163,335,992.54 and 66,144,793.79 is: 91,282,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355,759.67 : 163,335,992.54 = 66,144,793.79 : x
  2. Step 2: Convert to fraction form
    118,355,759.67/163,335,992.54 = 66,144,793.79/x
  3. Step 3: Cross multiply
    118,355,759.67x = 163,335,992.54 × 66,144,793.79
  4. Step 4: Simplify right side
    118,355,759.67x = 10,803,825,545,120,894
  5. Step 5: Solve for x
    x = 10,803,825,545,120,894/118,355,759.67
  6. Step 6: Final answer
    x = 91,282,634.45

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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.