Home / 30,243,775,107.70-45,365,662,661.55-8,160,771,805.30

Finding the Fourth Proportional to 30,243,775,107.70, 45,365,662,661.55 and 8,160,771,805.30

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Solution

The fourth proportional to 30,243,775,107.70, 45,365,662,661.55 and 8,160,771,805.30 is: 12,241,157,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243,775,107.70 : 45,365,662,661.55 = 8,160,771,805.30 : x
  2. Step 2: Convert to fraction form
    30,243,775,107.70/45,365,662,661.55 = 8,160,771,805.30/x
  3. Step 3: Cross multiply
    30,243,775,107.70x = 45,365,662,661.55 × 8,160,771,805.30
  4. Step 4: Simplify right side
    30,243,775,107.70x = 370,218,820,777,128,230,912
  5. Step 5: Solve for x
    x = 370,218,820,777,128,230,912/30,243,775,107.70
  6. Step 6: Final answer
    x = 12,241,157,707.95

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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.