Home / 288,129,563.53-432,059,790.11-103,872,772.33

Finding the Fourth Proportional to 288,129,563.53, 432,059,790.11 and 103,872,772.33

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Solution

The fourth proportional to 288,129,563.53, 432,059,790.11 and 103,872,772.33 is: 155,760,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,129,563.53 : 432,059,790.11 = 103,872,772.33 : x
  2. Step 2: Convert to fraction form
    288,129,563.53/432,059,790.11 = 103,872,772.33/x
  3. Step 3: Cross multiply
    288,129,563.53x = 432,059,790.11 × 103,872,772.33
  4. Step 4: Simplify right side
    288,129,563.53x = 44,879,248,211,043,616
  5. Step 5: Solve for x
    x = 44,879,248,211,043,616/288,129,563.53
  6. Step 6: Final answer
    x = 155,760,650.39

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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.