Home / 106,392,421.08-159,588,631.80-82,166,683.32

Finding the Fourth Proportional to 106,392,421.08, 159,588,631.80 and 82,166,683.32

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Solution

The fourth proportional to 106,392,421.08, 159,588,631.80 and 82,166,683.32 is: 123,250,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,392,421.08 : 159,588,631.80 = 82,166,683.32 : x
  2. Step 2: Convert to fraction form
    106,392,421.08/159,588,631.80 = 82,166,683.32/x
  3. Step 3: Cross multiply
    106,392,421.08x = 159,588,631.80 × 82,166,683.32
  4. Step 4: Simplify right side
    106,392,421.08x = 13,112,868,570,582,682
  5. Step 5: Solve for x
    x = 13,112,868,570,582,682/106,392,421.08
  6. Step 6: Final answer
    x = 123,250,025.12

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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.