Home / 163,328,878.83-245,029,191.53-48,304,453.80

Finding the Fourth Proportional to 163,328,878.83, 245,029,191.53 and 48,304,453.80

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Solution

The fourth proportional to 163,328,878.83, 245,029,191.53 and 48,304,453.80 is: 72,467,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,328,878.83 : 245,029,191.53 = 48,304,453.80 : x
  2. Step 2: Convert to fraction form
    163,328,878.83/245,029,191.53 = 48,304,453.80/x
  3. Step 3: Cross multiply
    163,328,878.83x = 245,029,191.53 × 48,304,453.80
  4. Step 4: Simplify right side
    163,328,878.83x = 11,836,001,261,670,714
  5. Step 5: Solve for x
    x = 11,836,001,261,670,714/163,328,878.83
  6. Step 6: Final answer
    x = 72,467,290.21

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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.