Home / 49,036,492.54-67,670,359.44-28,421,896.12

Finding the Fourth Proportional to 49,036,492.54, 67,670,359.44 and 28,421,896.12

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Solution

The fourth proportional to 49,036,492.54, 67,670,359.44 and 28,421,896.12 is: 39,222,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,036,492.54 : 67,670,359.44 = 28,421,896.12 : x
  2. Step 2: Convert to fraction form
    49,036,492.54/67,670,359.44 = 28,421,896.12/x
  3. Step 3: Cross multiply
    49,036,492.54x = 67,670,359.44 × 28,421,896.12
  4. Step 4: Simplify right side
    49,036,492.54x = 1,923,319,926,406,741.50
  5. Step 5: Solve for x
    x = 1,923,319,926,406,741.50/49,036,492.54
  6. Step 6: Final answer
    x = 39,222,216.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.