Home / 78,732,413.60-118,098,620.40-44,295,036.80

Finding the Fourth Proportional to 78,732,413.60, 118,098,620.40 and 44,295,036.80

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Solution

The fourth proportional to 78,732,413.60, 118,098,620.40 and 44,295,036.80 is: 66,442,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,413.60 : 118,098,620.40 = 44,295,036.80 : x
  2. Step 2: Convert to fraction form
    78,732,413.60/118,098,620.40 = 44,295,036.80/x
  3. Step 3: Cross multiply
    78,732,413.60x = 118,098,620.40 × 44,295,036.80
  4. Step 4: Simplify right side
    78,732,413.60x = 5,231,182,736,647,231
  5. Step 5: Solve for x
    x = 5,231,182,736,647,231/78,732,413.60
  6. Step 6: Final answer
    x = 66,442,555.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.