Home / 243,040,848.39-364,530,521.84-77,045,953.32

Finding the Fourth Proportional to 243,040,848.39, 364,530,521.84 and 77,045,953.32

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Solution

The fourth proportional to 243,040,848.39, 364,530,521.84 and 77,045,953.32 is: 115,559,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,040,848.39 : 364,530,521.84 = 77,045,953.32 : x
  2. Step 2: Convert to fraction form
    243,040,848.39/364,530,521.84 = 77,045,953.32/x
  3. Step 3: Cross multiply
    243,040,848.39x = 364,530,521.84 × 77,045,953.32
  4. Step 4: Simplify right side
    243,040,848.39x = 28,085,601,569,014,648
  5. Step 5: Solve for x
    x = 28,085,601,569,014,648/243,040,848.39
  6. Step 6: Final answer
    x = 115,559,181.74

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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.