Home / 215,033,281.53-322,460,238.87-67,442,816.22

Finding the Fourth Proportional to 215,033,281.53, 322,460,238.87 and 67,442,816.22

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Solution

The fourth proportional to 215,033,281.53, 322,460,238.87 and 67,442,816.22 is: 101,136,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,033,281.53 : 322,460,238.87 = 67,442,816.22 : x
  2. Step 2: Convert to fraction form
    215,033,281.53/322,460,238.87 = 67,442,816.22/x
  3. Step 3: Cross multiply
    215,033,281.53x = 322,460,238.87 × 67,442,816.22
  4. Step 4: Simplify right side
    215,033,281.53x = 21,747,626,628,366,712
  5. Step 5: Solve for x
    x = 21,747,626,628,366,712/215,033,281.53
  6. Step 6: Final answer
    x = 101,136,096.11

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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.