Home / 345,305,882.98-476,528,531.16-188,683,134.40

Finding the Fourth Proportional to 345,305,882.98, 476,528,531.16 and 188,683,134.40

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Solution

The fourth proportional to 345,305,882.98, 476,528,531.16 and 188,683,134.40 is: 260,386,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,305,882.98 : 476,528,531.16 = 188,683,134.40 : x
  2. Step 2: Convert to fraction form
    345,305,882.98/476,528,531.16 = 188,683,134.40/x
  3. Step 3: Cross multiply
    345,305,882.98x = 476,528,531.16 × 188,683,134.40
  4. Step 4: Simplify right side
    345,305,882.98x = 89,912,896,890,296,880
  5. Step 5: Solve for x
    x = 89,912,896,890,296,880/345,305,882.98
  6. Step 6: Final answer
    x = 260,386,229.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.