Home / 45,665,725.19-68,508,664.38-13,320,159.21

Finding the Fourth Proportional to 45,665,725.19, 68,508,664.38 and 13,320,159.21

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Solution

The fourth proportional to 45,665,725.19, 68,508,664.38 and 13,320,159.21 is: 19,983,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665,725.19 : 68,508,664.38 = 13,320,159.21 : x
  2. Step 2: Convert to fraction form
    45,665,725.19/68,508,664.38 = 13,320,159.21/x
  3. Step 3: Cross multiply
    45,665,725.19x = 68,508,664.38 × 13,320,159.21
  4. Step 4: Simplify right side
    45,665,725.19x = 912,546,316,806,056
  5. Step 5: Solve for x
    x = 912,546,316,806,056/45,665,725.19
  6. Step 6: Final answer
    x = 19,983,178.04

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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.