Home / 214,912,838.49-322,432,505.79-69,343,669.05

Finding the Fourth Proportional to 214,912,838.49, 322,432,505.79 and 69,343,669.05

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Solution

The fourth proportional to 214,912,838.49, 322,432,505.79 and 69,343,669.05 is: 104,035,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,912,838.49 : 322,432,505.79 = 69,343,669.05 : x
  2. Step 2: Convert to fraction form
    214,912,838.49/322,432,505.79 = 69,343,669.05/x
  3. Step 3: Cross multiply
    214,912,838.49x = 322,432,505.79 × 69,343,669.05
  4. Step 4: Simplify right side
    214,912,838.49x = 22,358,652,972,463,968
  5. Step 5: Solve for x
    x = 22,358,652,972,463,968/214,912,838.49
  6. Step 6: Final answer
    x = 104,035,911.16

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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.