Home / 77,299,367.22-106,673,472.45-42,494,300.10

Finding the Fourth Proportional to 77,299,367.22, 106,673,472.45 and 42,494,300.10

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Solution

The fourth proportional to 77,299,367.22, 106,673,472.45 and 42,494,300.10 is: 58,642,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299,367.22 : 106,673,472.45 = 42,494,300.10 : x
  2. Step 2: Convert to fraction form
    77,299,367.22/106,673,472.45 = 42,494,300.10/x
  3. Step 3: Cross multiply
    77,299,367.22x = 106,673,472.45 × 42,494,300.10
  4. Step 4: Simplify right side
    77,299,367.22x = 4,533,014,550,999,383
  5. Step 5: Solve for x
    x = 4,533,014,550,999,383/77,299,367.22
  6. Step 6: Final answer
    x = 58,642,324.17

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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.