Home / 381,271,131.02-526,125,285.56-213,975,081.93

Finding the Fourth Proportional to 381,271,131.02, 526,125,285.56 and 213,975,081.93

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Solution

The fourth proportional to 381,271,131.02, 526,125,285.56 and 213,975,081.93 is: 295,269,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,271,131.02 : 526,125,285.56 = 213,975,081.93 : x
  2. Step 2: Convert to fraction form
    381,271,131.02/526,125,285.56 = 213,975,081.93/x
  3. Step 3: Cross multiply
    381,271,131.02x = 526,125,285.56 × 213,975,081.93
  4. Step 4: Simplify right side
    381,271,131.02x = 112,577,701,082,075,776
  5. Step 5: Solve for x
    x = 112,577,701,082,075,776/381,271,131.02
  6. Step 6: Final answer
    x = 295,269,407.84

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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.