Home / 166,005,514.80-249,008,272.20-163,738,033.20

Finding the Fourth Proportional to 166,005,514.80, 249,008,272.20 and 163,738,033.20

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Solution

The fourth proportional to 166,005,514.80, 249,008,272.20 and 163,738,033.20 is: 245,607,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,005,514.80 : 249,008,272.20 = 163,738,033.20 : x
  2. Step 2: Convert to fraction form
    166,005,514.80/249,008,272.20 = 163,738,033.20/x
  3. Step 3: Cross multiply
    166,005,514.80x = 249,008,272.20 × 163,738,033.20
  4. Step 4: Simplify right side
    166,005,514.80x = 40,772,124,740,558,232
  5. Step 5: Solve for x
    x = 40,772,124,740,558,232/166,005,514.80
  6. Step 6: Final answer
    x = 245,607,049.80

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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.