Home / 282,838,194.80-390,350,687.80-171,325,763.66

Finding the Fourth Proportional to 282,838,194.80, 390,350,687.80 and 171,325,763.66

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Solution

The fourth proportional to 282,838,194.80, 390,350,687.80 and 171,325,763.66 is: 236,450,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,838,194.80 : 390,350,687.80 = 171,325,763.66 : x
  2. Step 2: Convert to fraction form
    282,838,194.80/390,350,687.80 = 171,325,763.66/x
  3. Step 3: Cross multiply
    282,838,194.80x = 390,350,687.80 × 171,325,763.66
  4. Step 4: Simplify right side
    282,838,194.80x = 66,877,129,682,541,248
  5. Step 5: Solve for x
    x = 66,877,129,682,541,248/282,838,194.80
  6. Step 6: Final answer
    x = 236,450,136.20

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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.