Home / 105,724,334.87-145,887,749.21-58,683,391.02

Finding the Fourth Proportional to 105,724,334.87, 145,887,749.21 and 58,683,391.02

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Solution

The fourth proportional to 105,724,334.87, 145,887,749.21 and 58,683,391.02 is: 80,976,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,724,334.87 : 145,887,749.21 = 58,683,391.02 : x
  2. Step 2: Convert to fraction form
    105,724,334.87/145,887,749.21 = 58,683,391.02/x
  3. Step 3: Cross multiply
    105,724,334.87x = 145,887,749.21 × 58,683,391.02
  4. Step 4: Simplify right side
    105,724,334.87x = 8,561,187,831,734,447
  5. Step 5: Solve for x
    x = 8,561,187,831,734,447/105,724,334.87
  6. Step 6: Final answer
    x = 80,976,511.62

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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.