Home / 171,071,992.80-256,607,989.20-110,556,050.40

Finding the Fourth Proportional to 171,071,992.80, 256,607,989.20 and 110,556,050.40

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Solution

The fourth proportional to 171,071,992.80, 256,607,989.20 and 110,556,050.40 is: 165,834,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,071,992.80 : 256,607,989.20 = 110,556,050.40 : x
  2. Step 2: Convert to fraction form
    171,071,992.80/256,607,989.20 = 110,556,050.40/x
  3. Step 3: Cross multiply
    171,071,992.80x = 256,607,989.20 × 110,556,050.40
  4. Step 4: Simplify right side
    171,071,992.80x = 28,369,565,787,037,856
  5. Step 5: Solve for x
    x = 28,369,565,787,037,856/171,071,992.80
  6. Step 6: Final answer
    x = 165,834,075.60

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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.