Home / 43,450,046.20-65,175,069.30-42,778,199.80

Finding the Fourth Proportional to 43,450,046.20, 65,175,069.30 and 42,778,199.80

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Solution

The fourth proportional to 43,450,046.20, 65,175,069.30 and 42,778,199.80 is: 64,167,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,450,046.20 : 65,175,069.30 = 42,778,199.80 : x
  2. Step 2: Convert to fraction form
    43,450,046.20/65,175,069.30 = 42,778,199.80/x
  3. Step 3: Cross multiply
    43,450,046.20x = 65,175,069.30 × 42,778,199.80
  4. Step 4: Simplify right side
    43,450,046.20x = 2,788,072,136,494,246
  5. Step 5: Solve for x
    x = 2,788,072,136,494,246/43,450,046.20
  6. Step 6: Final answer
    x = 64,167,299.70

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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.