Home / 56,279,570.31-84,426,164.64-19,880,511.93

Finding the Fourth Proportional to 56,279,570.31, 84,426,164.64 and 19,880,511.93

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Solution

The fourth proportional to 56,279,570.31, 84,426,164.64 and 19,880,511.93 is: 29,823,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279,570.31 : 84,426,164.64 = 19,880,511.93 : x
  2. Step 2: Convert to fraction form
    56,279,570.31/84,426,164.64 = 19,880,511.93/x
  3. Step 3: Cross multiply
    56,279,570.31x = 84,426,164.64 × 19,880,511.93
  4. Step 4: Simplify right side
    56,279,570.31x = 1,678,435,373,329,664.25
  5. Step 5: Solve for x
    x = 1,678,435,373,329,664.25/56,279,570.31
  6. Step 6: Final answer
    x = 29,823,173.21

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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.