Home / 147,374,015.03-203,372,549.25-81,293,066.45

Finding the Fourth Proportional to 147,374,015.03, 203,372,549.25 and 81,293,066.45

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Solution

The fourth proportional to 147,374,015.03, 203,372,549.25 and 81,293,066.45 is: 112,182,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374,015.03 : 203,372,549.25 = 81,293,066.45 : x
  2. Step 2: Convert to fraction form
    147,374,015.03/203,372,549.25 = 81,293,066.45/x
  3. Step 3: Cross multiply
    147,374,015.03x = 203,372,549.25 × 81,293,066.45
  4. Step 4: Simplify right side
    147,374,015.03x = 16,532,778,160,286,148
  5. Step 5: Solve for x
    x = 16,532,778,160,286,148/147,374,015.03
  6. Step 6: Final answer
    x = 112,182,450.60

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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.