Home / 77,916,428,579.70-116,892,266,171.90-42,060,416,027.15

Finding the Fourth Proportional to 77,916,428,579.70, 116,892,266,171.90 and 42,060,416,027.15

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Solution

The fourth proportional to 77,916,428,579.70, 116,892,266,171.90 and 42,060,416,027.15 is: 63,100,137,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,916,428,579.70 : 116,892,266,171.90 = 42,060,416,027.15 : x
  2. Step 2: Convert to fraction form
    77,916,428,579.70/116,892,266,171.90 = 42,060,416,027.15/x
  3. Step 3: Cross multiply
    77,916,428,579.70x = 116,892,266,171.90 × 42,060,416,027.15
  4. Step 4: Simplify right side
    77,916,428,579.70x = 4,916,537,345,546,466,099,200
  5. Step 5: Solve for x
    x = 4,916,537,345,546,466,099,200/77,916,428,579.70
  6. Step 6: Final answer
    x = 63,100,137,354.44

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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.