Home / 279,314,049.02-385,465,346.46-155,554,725.74

Finding the Fourth Proportional to 279,314,049.02, 385,465,346.46 and 155,554,725.74

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Solution

The fourth proportional to 279,314,049.02, 385,465,346.46 and 155,554,725.74 is: 214,672,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,314,049.02 : 385,465,346.46 = 155,554,725.74 : x
  2. Step 2: Convert to fraction form
    279,314,049.02/385,465,346.46 = 155,554,725.74/x
  3. Step 3: Cross multiply
    279,314,049.02x = 385,465,346.46 × 155,554,725.74
  4. Step 4: Simplify right side
    279,314,049.02x = 59,960,956,248,932,056
  5. Step 5: Solve for x
    x = 59,960,956,248,932,056/279,314,049.02
  6. Step 6: Final answer
    x = 214,672,181.58

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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.