Home / 282,437,995.08-389,870,161.86-212,076,862.80

Finding the Fourth Proportional to 282,437,995.08, 389,870,161.86 and 212,076,862.80

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Solution

The fourth proportional to 282,437,995.08, 389,870,161.86 and 212,076,862.80 is: 292,745,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,437,995.08 : 389,870,161.86 = 212,076,862.80 : x
  2. Step 2: Convert to fraction form
    282,437,995.08/389,870,161.86 = 212,076,862.80/x
  3. Step 3: Cross multiply
    282,437,995.08x = 389,870,161.86 × 212,076,862.80
  4. Step 4: Simplify right side
    282,437,995.08x = 82,682,440,826,597,024
  5. Step 5: Solve for x
    x = 82,682,440,826,597,024/282,437,995.08
  6. Step 6: Final answer
    x = 292,745,460.13

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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.