Home / 147,186,327.36-203,118,494.27-81,109,190.31

Finding the Fourth Proportional to 147,186,327.36, 203,118,494.27 and 81,109,190.31

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Solution

The fourth proportional to 147,186,327.36, 203,118,494.27 and 81,109,190.31 is: 111,931,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,186,327.36 : 203,118,494.27 = 81,109,190.31 : x
  2. Step 2: Convert to fraction form
    147,186,327.36/203,118,494.27 = 81,109,190.31/x
  3. Step 3: Cross multiply
    147,186,327.36x = 203,118,494.27 × 81,109,190.31
  4. Step 4: Simplify right side
    147,186,327.36x = 16,474,776,607,226,076
  5. Step 5: Solve for x
    x = 16,474,776,607,226,076/147,186,327.36
  6. Step 6: Final answer
    x = 111,931,433.46

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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.