Home / 214,912,838.74-322,432,506.17-69,343,669.30

Finding the Fourth Proportional to 214,912,838.74, 322,432,506.17 and 69,343,669.30

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Solution

The fourth proportional to 214,912,838.74, 322,432,506.17 and 69,343,669.30 is: 104,035,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,912,838.74 : 322,432,506.17 = 69,343,669.30 : x
  2. Step 2: Convert to fraction form
    214,912,838.74/322,432,506.17 = 69,343,669.30/x
  3. Step 3: Cross multiply
    214,912,838.74x = 322,432,506.17 × 69,343,669.30
  4. Step 4: Simplify right side
    214,912,838.74x = 22,358,653,077,463,812
  5. Step 5: Solve for x
    x = 22,358,653,077,463,812/214,912,838.74
  6. Step 6: Final answer
    x = 104,035,911.53

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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.