Home / 201,696,735.12-278,334,146.01-112,384,064.67

Finding the Fourth Proportional to 201,696,735.12, 278,334,146.01 and 112,384,064.67

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Solution

The fourth proportional to 201,696,735.12, 278,334,146.01 and 112,384,064.67 is: 155,085,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,696,735.12 : 278,334,146.01 = 112,384,064.67 : x
  2. Step 2: Convert to fraction form
    201,696,735.12/278,334,146.01 = 112,384,064.67/x
  3. Step 3: Cross multiply
    201,696,735.12x = 278,334,146.01 × 112,384,064.67
  4. Step 4: Simplify right side
    201,696,735.12x = 31,280,322,665,057,060
  5. Step 5: Solve for x
    x = 31,280,322,665,057,060/201,696,735.12
  6. Step 6: Final answer
    x = 155,085,914.73

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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.