Home / 45,805,513.80-68,708,270.70-40,783,396.35

Finding the Fourth Proportional to 45,805,513.80, 68,708,270.70 and 40,783,396.35

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Solution

The fourth proportional to 45,805,513.80, 68,708,270.70 and 40,783,396.35 is: 61,175,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805,513.80 : 68,708,270.70 = 40,783,396.35 : x
  2. Step 2: Convert to fraction form
    45,805,513.80/68,708,270.70 = 40,783,396.35/x
  3. Step 3: Cross multiply
    45,805,513.80x = 68,708,270.70 × 40,783,396.35
  4. Step 4: Simplify right side
    45,805,513.80x = 2,802,156,636,481,192
  5. Step 5: Solve for x
    x = 2,802,156,636,481,192/45,805,513.80
  6. Step 6: Final answer
    x = 61,175,094.53

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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.