Home / 349,552,413.32-524,270,161.50-128,178,007.60

Finding the Fourth Proportional to 349,552,413.32, 524,270,161.50 and 128,178,007.60

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Solution

The fourth proportional to 349,552,413.32, 524,270,161.50 and 128,178,007.60 is: 192,245,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,552,413.32 : 524,270,161.50 = 128,178,007.60 : x
  2. Step 2: Convert to fraction form
    349,552,413.32/524,270,161.50 = 128,178,007.60/x
  3. Step 3: Cross multiply
    349,552,413.32x = 524,270,161.50 × 128,178,007.60
  4. Step 4: Simplify right side
    349,552,413.32x = 67,199,904,745,200,224
  5. Step 5: Solve for x
    x = 67,199,904,745,200,224/349,552,413.32
  6. Step 6: Final answer
    x = 192,245,575.15

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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.