Home / 142,374,160.04-196,474,571.32-83,642,178.92

Finding the Fourth Proportional to 142,374,160.04, 196,474,571.32 and 83,642,178.92

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Solution

The fourth proportional to 142,374,160.04, 196,474,571.32 and 83,642,178.92 is: 115,425,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,374,160.04 : 196,474,571.32 = 83,642,178.92 : x
  2. Step 2: Convert to fraction form
    142,374,160.04/196,474,571.32 = 83,642,178.92/x
  3. Step 3: Cross multiply
    142,374,160.04x = 196,474,571.32 × 83,642,178.92
  4. Step 4: Simplify right side
    142,374,160.04x = 16,433,561,247,577,740
  5. Step 5: Solve for x
    x = 16,433,561,247,577,740/142,374,160.04
  6. Step 6: Final answer
    x = 115,425,167.34

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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.