Home / 74,790,617.55-102,462,667.97-71,993,797.35

Finding the Fourth Proportional to 74,790,617.55, 102,462,667.97 and 71,993,797.35

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Solution

The fourth proportional to 74,790,617.55, 102,462,667.97 and 71,993,797.35 is: 98,631,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790,617.55 : 102,462,667.97 = 71,993,797.35 : x
  2. Step 2: Convert to fraction form
    74,790,617.55/102,462,667.97 = 71,993,797.35/x
  3. Step 3: Cross multiply
    74,790,617.55x = 102,462,667.97 × 71,993,797.35
  4. Step 4: Simplify right side
    74,790,617.55x = 7,376,676,553,412,547
  5. Step 5: Solve for x
    x = 7,376,676,553,412,547/74,790,617.55
  6. Step 6: Final answer
    x = 98,631,042.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.