Home / 172,890,747.65-259,354,283.61-56,315,187.60

Finding the Fourth Proportional to 172,890,747.65, 259,354,283.61 and 56,315,187.60

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Solution

The fourth proportional to 172,890,747.65, 259,354,283.61 and 56,315,187.60 is: 84,478,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,890,747.65 : 259,354,283.61 = 56,315,187.60 : x
  2. Step 2: Convert to fraction form
    172,890,747.65/259,354,283.61 = 56,315,187.60/x
  3. Step 3: Cross multiply
    172,890,747.65x = 259,354,283.61 × 56,315,187.60
  4. Step 4: Simplify right side
    172,890,747.65x = 14,605,585,136,360,756
  5. Step 5: Solve for x
    x = 14,605,585,136,360,756/172,890,747.65
  6. Step 6: Final answer
    x = 84,478,697.30

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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.