Home / 203,111,672-304,666,843.80-73,719,109.76

Finding the Fourth Proportional to 203,111,672, 304,666,843.80 and 73,719,109.76

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Solution

The fourth proportional to 203,111,672, 304,666,843.80 and 73,719,109.76 is: 110,578,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,111,672 : 304,666,843.80 = 73,719,109.76 : x
  2. Step 2: Convert to fraction form
    203,111,672/304,666,843.80 = 73,719,109.76/x
  3. Step 3: Cross multiply
    203,111,672x = 304,666,843.80 × 73,719,109.76
  4. Step 4: Simplify right side
    203,111,672x = 22,459,768,498,324,980
  5. Step 5: Solve for x
    x = 22,459,768,498,324,980/203,111,672
  6. Step 6: Final answer
    x = 110,578,423.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.