Home / 101,546,381.65-140,130,077.93-55,135,573.51

Finding the Fourth Proportional to 101,546,381.65, 140,130,077.93 and 55,135,573.51

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Solution

The fourth proportional to 101,546,381.65, 140,130,077.93 and 55,135,573.51 is: 76,084,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,546,381.65 : 140,130,077.93 = 55,135,573.51 : x
  2. Step 2: Convert to fraction form
    101,546,381.65/140,130,077.93 = 55,135,573.51/x
  3. Step 3: Cross multiply
    101,546,381.65x = 140,130,077.93 × 55,135,573.51
  4. Step 4: Simplify right side
    101,546,381.65x = 7,726,152,212,671,544
  5. Step 5: Solve for x
    x = 7,726,152,212,671,544/101,546,381.65
  6. Step 6: Final answer
    x = 76,084,958.29

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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.