Home / 257,130,563.18-385,798,047.26-82,280,537.56

Finding the Fourth Proportional to 257,130,563.18, 385,798,047.26 and 82,280,537.56

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Solution

The fourth proportional to 257,130,563.18, 385,798,047.26 and 82,280,537.56 is: 123,453,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,130,563.18 : 385,798,047.26 = 82,280,537.56 : x
  2. Step 2: Convert to fraction form
    257,130,563.18/385,798,047.26 = 82,280,537.56/x
  3. Step 3: Cross multiply
    257,130,563.18x = 385,798,047.26 × 82,280,537.56
  4. Step 4: Simplify right side
    257,130,563.18x = 31,743,670,718,151,084
  5. Step 5: Solve for x
    x = 31,743,670,718,151,084/257,130,563.18
  6. Step 6: Final answer
    x = 123,453,510.64

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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.