Home / 345,069,131.74-517,029,741.33-242,618,329.42

Finding the Fourth Proportional to 345,069,131.74, 517,029,741.33 and 242,618,329.42

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Solution

The fourth proportional to 345,069,131.74, 517,029,741.33 and 242,618,329.42 is: 363,523,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,069,131.74 : 517,029,741.33 = 242,618,329.42 : x
  2. Step 2: Convert to fraction form
    345,069,131.74/517,029,741.33 = 242,618,329.42/x
  3. Step 3: Cross multiply
    345,069,131.74x = 517,029,741.33 × 242,618,329.42
  4. Step 4: Simplify right side
    345,069,131.74x = 125,440,892,099,736,928
  5. Step 5: Solve for x
    x = 125,440,892,099,736,928/345,069,131.74
  6. Step 6: Final answer
    x = 363,523,945.10

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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.