Home / 76,856,260.78-106,064,169.17-42,048,154.67

Finding the Fourth Proportional to 76,856,260.78, 106,064,169.17 and 42,048,154.67

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Solution

The fourth proportional to 76,856,260.78, 106,064,169.17 and 42,048,154.67 is: 58,027,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,856,260.78 : 106,064,169.17 = 42,048,154.67 : x
  2. Step 2: Convert to fraction form
    76,856,260.78/106,064,169.17 = 42,048,154.67/x
  3. Step 3: Cross multiply
    76,856,260.78x = 106,064,169.17 × 42,048,154.67
  4. Step 4: Simplify right side
    76,856,260.78x = 4,459,802,589,994,965
  5. Step 5: Solve for x
    x = 4,459,802,589,994,965/76,856,260.78
  6. Step 6: Final answer
    x = 58,027,837.23

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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.