Home / 86,322,063.18-119,123,038.08-47,162,997.12

Finding the Fourth Proportional to 86,322,063.18, 119,123,038.08 and 47,162,997.12

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Solution

The fourth proportional to 86,322,063.18, 119,123,038.08 and 47,162,997.12 is: 65,084,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,322,063.18 : 119,123,038.08 = 47,162,997.12 : x
  2. Step 2: Convert to fraction form
    86,322,063.18/119,123,038.08 = 47,162,997.12/x
  3. Step 3: Cross multiply
    86,322,063.18x = 119,123,038.08 × 47,162,997.12
  4. Step 4: Simplify right side
    86,322,063.18x = 5,618,199,501,892,690
  5. Step 5: Solve for x
    x = 5,618,199,501,892,690/86,322,063.18
  6. Step 6: Final answer
    x = 65,084,166.14

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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.