Home / 68,266,007.20-102,516,975.60-36,415,511.20

Finding the Fourth Proportional to 68,266,007.20, 102,516,975.60 and 36,415,511.20

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Solution

The fourth proportional to 68,266,007.20, 102,516,975.60 and 36,415,511.20 is: 54,686,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,266,007.20 : 102,516,975.60 = 36,415,511.20 : x
  2. Step 2: Convert to fraction form
    68,266,007.20/102,516,975.60 = 36,415,511.20/x
  3. Step 3: Cross multiply
    68,266,007.20x = 102,516,975.60 × 36,415,511.20
  4. Step 4: Simplify right side
    68,266,007.20x = 3,733,208,073,151,927
  5. Step 5: Solve for x
    x = 3,733,208,073,151,927/68,266,007.20
  6. Step 6: Final answer
    x = 54,686,193.41

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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.