Home / 291,248,638.12-436,938,120.06-109,497,390.76

Finding the Fourth Proportional to 291,248,638.12, 436,938,120.06 and 109,497,390.76

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Solution

The fourth proportional to 291,248,638.12, 436,938,120.06 and 109,497,390.76 is: 164,270,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,248,638.12 : 436,938,120.06 = 109,497,390.76 : x
  2. Step 2: Convert to fraction form
    291,248,638.12/436,938,120.06 = 109,497,390.76/x
  3. Step 3: Cross multiply
    291,248,638.12x = 436,938,120.06 × 109,497,390.76
  4. Step 4: Simplify right side
    291,248,638.12x = 47,843,584,070,149,616
  5. Step 5: Solve for x
    x = 47,843,584,070,149,616/291,248,638.12
  6. Step 6: Final answer
    x = 164,270,584.68

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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.