Home / 255,137,569.12-382,395,438.72-132,248,136.48

Finding the Fourth Proportional to 255,137,569.12, 382,395,438.72 and 132,248,136.48

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Solution

The fourth proportional to 255,137,569.12, 382,395,438.72 and 132,248,136.48 is: 198,211,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,137,569.12 : 382,395,438.72 = 132,248,136.48 : x
  2. Step 2: Convert to fraction form
    255,137,569.12/382,395,438.72 = 132,248,136.48/x
  3. Step 3: Cross multiply
    255,137,569.12x = 382,395,438.72 × 132,248,136.48
  4. Step 4: Simplify right side
    255,137,569.12x = 50,571,084,169,172,040
  5. Step 5: Solve for x
    x = 50,571,084,169,172,040/255,137,569.12
  6. Step 6: Final answer
    x = 198,211,044.90

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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.