Home / 212,590,141.60-293,374,393.68-114,804,988.96

Finding the Fourth Proportional to 212,590,141.60, 293,374,393.68 and 114,804,988.96

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Solution

The fourth proportional to 212,590,141.60, 293,374,393.68 and 114,804,988.96 is: 158,430,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,590,141.60 : 293,374,393.68 = 114,804,988.96 : x
  2. Step 2: Convert to fraction form
    212,590,141.60/293,374,393.68 = 114,804,988.96/x
  3. Step 3: Cross multiply
    212,590,141.60x = 293,374,393.68 × 114,804,988.96
  4. Step 4: Simplify right side
    212,590,141.60x = 33,680,844,027,579,092
  5. Step 5: Solve for x
    x = 33,680,844,027,579,092/212,590,141.60
  6. Step 6: Final answer
    x = 158,430,883.83

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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.