Home / 66,571,655.04-99,678,012.48-43,485,413.76

Finding the Fourth Proportional to 66,571,655.04, 99,678,012.48 and 43,485,413.76

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Solution

The fourth proportional to 66,571,655.04, 99,678,012.48 and 43,485,413.76 is: 65,110,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,571,655.04 : 99,678,012.48 = 43,485,413.76 : x
  2. Step 2: Convert to fraction form
    66,571,655.04/99,678,012.48 = 43,485,413.76/x
  3. Step 3: Cross multiply
    66,571,655.04x = 99,678,012.48 × 43,485,413.76
  4. Step 4: Simplify right side
    66,571,655.04x = 4,334,539,615,467,243.50
  5. Step 5: Solve for x
    x = 4,334,539,615,467,243.50/66,571,655.04
  6. Step 6: Final answer
    x = 65,110,888.60

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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.