Home / 57,092,000.13-78,784,956.45-30,985,992.54

Finding the Fourth Proportional to 57,092,000.13, 78,784,956.45 and 30,985,992.54

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Solution

The fourth proportional to 57,092,000.13, 78,784,956.45 and 30,985,992.54 is: 42,759,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,000.13 : 78,784,956.45 = 30,985,992.54 : x
  2. Step 2: Convert to fraction form
    57,092,000.13/78,784,956.45 = 30,985,992.54/x
  3. Step 3: Cross multiply
    57,092,000.13x = 78,784,956.45 × 30,985,992.54
  4. Step 4: Simplify right side
    57,092,000.13x = 2,441,230,072,823,925
  5. Step 5: Solve for x
    x = 2,441,230,072,823,925/57,092,000.13
  6. Step 6: Final answer
    x = 42,759,582.21

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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.