Home / 74,034,759.81-102,362,996.43-64,841,049.21

Finding the Fourth Proportional to 74,034,759.81, 102,362,996.43 and 64,841,049.21

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Solution

The fourth proportional to 74,034,759.81, 102,362,996.43 and 64,841,049.21 is: 89,651,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034,759.81 : 102,362,996.43 = 64,841,049.21 : x
  2. Step 2: Convert to fraction form
    74,034,759.81/102,362,996.43 = 64,841,049.21/x
  3. Step 3: Cross multiply
    74,034,759.81x = 102,362,996.43 × 64,841,049.21
  4. Step 4: Simplify right side
    74,034,759.81x = 6,637,324,088,800,685
  5. Step 5: Solve for x
    x = 6,637,324,088,800,685/74,034,759.81
  6. Step 6: Final answer
    x = 89,651,457.04

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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.