Home / 64,457,619-96,689,096.64-19,019,413.50

Finding the Fourth Proportional to 64,457,619, 96,689,096.64 and 19,019,413.50

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Solution

The fourth proportional to 64,457,619, 96,689,096.64 and 19,019,413.50 is: 28,529,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,457,619 : 96,689,096.64 = 19,019,413.50 : x
  2. Step 2: Convert to fraction form
    64,457,619/96,689,096.64 = 19,019,413.50/x
  3. Step 3: Cross multiply
    64,457,619x = 96,689,096.64 × 19,019,413.50
  4. Step 4: Simplify right side
    64,457,619x = 1,838,969,909,937,620.75
  5. Step 5: Solve for x
    x = 1,838,969,909,937,620.75/64,457,619
  6. Step 6: Final answer
    x = 28,529,907.53

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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.