Home / 105,409,727.84-145,463,996.94-58,999,969.46

Finding the Fourth Proportional to 105,409,727.84, 145,463,996.94 and 58,999,969.46

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Solution

The fourth proportional to 105,409,727.84, 145,463,996.94 and 58,999,969.46 is: 81,419,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,409,727.84 : 145,463,996.94 = 58,999,969.46 : x
  2. Step 2: Convert to fraction form
    105,409,727.84/145,463,996.94 = 58,999,969.46/x
  3. Step 3: Cross multiply
    105,409,727.84x = 145,463,996.94 × 58,999,969.46
  4. Step 4: Simplify right side
    105,409,727.84x = 8,582,371,376,989,533
  5. Step 5: Solve for x
    x = 8,582,371,376,989,533/105,409,727.84
  6. Step 6: Final answer
    x = 81,419,158.87

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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.