Home / 201,863,090.12-278,571,312.91-109,043,597.96

Finding the Fourth Proportional to 201,863,090.12, 278,571,312.91 and 109,043,597.96

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Solution

The fourth proportional to 201,863,090.12, 278,571,312.91 and 109,043,597.96 is: 150,480,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,863,090.12 : 278,571,312.91 = 109,043,597.96 : x
  2. Step 2: Convert to fraction form
    201,863,090.12/278,571,312.91 = 109,043,597.96/x
  3. Step 3: Cross multiply
    201,863,090.12x = 278,571,312.91 × 109,043,597.96
  4. Step 4: Simplify right side
    201,863,090.12x = 30,376,418,247,935,488
  5. Step 5: Solve for x
    x = 30,376,418,247,935,488/201,863,090.12
  6. Step 6: Final answer
    x = 150,480,299.45

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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.