Home / 105,680,651.04-145,777,361.40-66,460,217.76

Finding the Fourth Proportional to 105,680,651.04, 145,777,361.40 and 66,460,217.76

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Solution

The fourth proportional to 105,680,651.04, 145,777,361.40 and 66,460,217.76 is: 91,676,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,680,651.04 : 145,777,361.40 = 66,460,217.76 : x
  2. Step 2: Convert to fraction form
    105,680,651.04/145,777,361.40 = 66,460,217.76/x
  3. Step 3: Cross multiply
    105,680,651.04x = 145,777,361.40 × 66,460,217.76
  4. Step 4: Simplify right side
    105,680,651.04x = 9,688,395,183,122,218
  5. Step 5: Solve for x
    x = 9,688,395,183,122,218/105,680,651.04
  6. Step 6: Final answer
    x = 91,676,149.68

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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.