Home / 78,903,840.78-108,890,663.07-44,096,530.20

Finding the Fourth Proportional to 78,903,840.78, 108,890,663.07 and 44,096,530.20

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Solution

The fourth proportional to 78,903,840.78, 108,890,663.07 and 44,096,530.20 is: 60,855,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903,840.78 : 108,890,663.07 = 44,096,530.20 : x
  2. Step 2: Convert to fraction form
    78,903,840.78/108,890,663.07 = 44,096,530.20/x
  3. Step 3: Cross multiply
    78,903,840.78x = 108,890,663.07 × 44,096,530.20
  4. Step 4: Simplify right side
    78,903,840.78x = 4,801,700,412,019,826
  5. Step 5: Solve for x
    x = 4,801,700,412,019,826/78,903,840.78
  6. Step 6: Final answer
    x = 60,855,091.01

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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.