Home / 85,675,413.86-118,329,417.06-57,749,960.78

Finding the Fourth Proportional to 85,675,413.86, 118,329,417.06 and 57,749,960.78

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Solution

The fourth proportional to 85,675,413.86, 118,329,417.06 and 57,749,960.78 is: 79,760,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,675,413.86 : 118,329,417.06 = 57,749,960.78 : x
  2. Step 2: Convert to fraction form
    85,675,413.86/118,329,417.06 = 57,749,960.78/x
  3. Step 3: Cross multiply
    85,675,413.86x = 118,329,417.06 × 57,749,960.78
  4. Step 4: Simplify right side
    85,675,413.86x = 6,833,519,194,335,263
  5. Step 5: Solve for x
    x = 6,833,519,194,335,263/85,675,413.86
  6. Step 6: Final answer
    x = 79,760,562.41

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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.