Home / 153,846,087.41-212,299,190.55-84,217,999.25

Finding the Fourth Proportional to 153,846,087.41, 212,299,190.55 and 84,217,999.25

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Solution

The fourth proportional to 153,846,087.41, 212,299,190.55 and 84,217,999.25 is: 116,216,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,846,087.41 : 212,299,190.55 = 84,217,999.25 : x
  2. Step 2: Convert to fraction form
    153,846,087.41/212,299,190.55 = 84,217,999.25/x
  3. Step 3: Cross multiply
    153,846,087.41x = 212,299,190.55 × 84,217,999.25
  4. Step 4: Simplify right side
    153,846,087.41x = 17,879,413,069,454,014
  5. Step 5: Solve for x
    x = 17,879,413,069,454,014/153,846,087.41
  6. Step 6: Final answer
    x = 116,216,235.14

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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.