Home / 45,049,710.53-67,574,564.88-20,781,457.26

Finding the Fourth Proportional to 45,049,710.53, 67,574,564.88 and 20,781,457.26

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Solution

The fourth proportional to 45,049,710.53, 67,574,564.88 and 20,781,457.26 is: 31,172,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,049,710.53 : 67,574,564.88 = 20,781,457.26 : x
  2. Step 2: Convert to fraction form
    45,049,710.53/67,574,564.88 = 20,781,457.26/x
  3. Step 3: Cross multiply
    45,049,710.53x = 67,574,564.88 × 20,781,457.26
  4. Step 4: Simplify right side
    45,049,710.53x = 1,404,297,931,916,817
  5. Step 5: Solve for x
    x = 1,404,297,931,916,817/45,049,710.53
  6. Step 6: Final answer
    x = 31,172,185.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.