Home / 189,489,936.69-284,262,018.72-58,343,308.62

Finding the Fourth Proportional to 189,489,936.69, 284,262,018.72 and 58,343,308.62

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Solution

The fourth proportional to 189,489,936.69, 284,262,018.72 and 58,343,308.62 is: 87,523,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,489,936.69 : 284,262,018.72 = 58,343,308.62 : x
  2. Step 2: Convert to fraction form
    189,489,936.69/284,262,018.72 = 58,343,308.62/x
  3. Step 3: Cross multiply
    189,489,936.69x = 284,262,018.72 × 58,343,308.62
  4. Step 4: Simplify right side
    189,489,936.69x = 16,584,786,687,125,178
  5. Step 5: Solve for x
    x = 16,584,786,687,125,178/189,489,936.69
  6. Step 6: Final answer
    x = 87,523,311.14

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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.