Home / 78,698,099.80-118,047,149.70-24,838,413.40

Finding the Fourth Proportional to 78,698,099.80, 118,047,149.70 and 24,838,413.40

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Solution

The fourth proportional to 78,698,099.80, 118,047,149.70 and 24,838,413.40 is: 37,257,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,698,099.80 : 118,047,149.70 = 24,838,413.40 : x
  2. Step 2: Convert to fraction form
    78,698,099.80/118,047,149.70 = 24,838,413.40/x
  3. Step 3: Cross multiply
    78,698,099.80x = 118,047,149.70 × 24,838,413.40
  4. Step 4: Simplify right side
    78,698,099.80x = 2,932,103,904,940,286
  5. Step 5: Solve for x
    x = 2,932,103,904,940,286/78,698,099.80
  6. Step 6: Final answer
    x = 37,257,620.10

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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.