Home / 72,073,567.92-108,064,533.96-61,147,523.52

Finding the Fourth Proportional to 72,073,567.92, 108,064,533.96 and 61,147,523.52

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Solution

The fourth proportional to 72,073,567.92, 108,064,533.96 and 61,147,523.52 is: 91,682,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073,567.92 : 108,064,533.96 = 61,147,523.52 : x
  2. Step 2: Convert to fraction form
    72,073,567.92/108,064,533.96 = 61,147,523.52/x
  3. Step 3: Cross multiply
    72,073,567.92x = 108,064,533.96 × 61,147,523.52
  4. Step 4: Simplify right side
    72,073,567.92x = 6,607,878,631,996,939
  5. Step 5: Solve for x
    x = 6,607,878,631,996,939/72,073,567.92
  6. Step 6: Final answer
    x = 91,682,413.16

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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.