Home / 212,590,139.60-293,374,390.92-114,804,986.96

Finding the Fourth Proportional to 212,590,139.60, 293,374,390.92 and 114,804,986.96

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Solution

The fourth proportional to 212,590,139.60, 293,374,390.92 and 114,804,986.96 is: 158,430,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,590,139.60 : 293,374,390.92 = 114,804,986.96 : x
  2. Step 2: Convert to fraction form
    212,590,139.60/293,374,390.92 = 114,804,986.96/x
  3. Step 3: Cross multiply
    212,590,139.60x = 293,374,390.92 × 114,804,986.96
  4. Step 4: Simplify right side
    212,590,139.60x = 33,680,843,123,968,544
  5. Step 5: Solve for x
    x = 33,680,843,123,968,544/212,590,139.60
  6. Step 6: Final answer
    x = 158,430,881.07

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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.