Home / 262,726,803.40-394,090,205.10-165,980,921.80

Finding the Fourth Proportional to 262,726,803.40, 394,090,205.10 and 165,980,921.80

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Solution

The fourth proportional to 262,726,803.40, 394,090,205.10 and 165,980,921.80 is: 248,971,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,726,803.40 : 394,090,205.10 = 165,980,921.80 : x
  2. Step 2: Convert to fraction form
    262,726,803.40/394,090,205.10 = 165,980,921.80/x
  3. Step 3: Cross multiply
    262,726,803.40x = 394,090,205.10 × 165,980,921.80
  4. Step 4: Simplify right side
    262,726,803.40x = 65,411,455,514,849,072
  5. Step 5: Solve for x
    x = 65,411,455,514,849,072/262,726,803.40
  6. Step 6: Final answer
    x = 248,971,382.70

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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.