Home / 149,434,725,379.84-206,224,546,670.40-81,772,167,443.20

Finding the Fourth Proportional to 149,434,725,379.84, 206,224,546,670.40 and 81,772,167,443.20

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Solution

The fourth proportional to 149,434,725,379.84, 206,224,546,670.40 and 81,772,167,443.20 is: 112,848,122,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,434,725,379.84 : 206,224,546,670.40 = 81,772,167,443.20 : x
  2. Step 2: Convert to fraction form
    149,434,725,379.84/206,224,546,670.40 = 81,772,167,443.20/x
  3. Step 3: Cross multiply
    149,434,725,379.84x = 206,224,546,670.40 × 81,772,167,443.20
  4. Step 4: Simplify right side
    149,434,725,379.84x = 16,863,428,161,229,960,511,488
  5. Step 5: Solve for x
    x = 16,863,428,161,229,960,511,488/149,434,725,379.84
  6. Step 6: Final answer
    x = 112,848,122,271.22

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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.