Home / 53,590,386.66-80,390,375.14-20,800,186.80

Finding the Fourth Proportional to 53,590,386.66, 80,390,375.14 and 20,800,186.80

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Solution

The fourth proportional to 53,590,386.66, 80,390,375.14 and 20,800,186.80 is: 31,202,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590,386.66 : 80,390,375.14 = 20,800,186.80 : x
  2. Step 2: Convert to fraction form
    53,590,386.66/80,390,375.14 = 20,800,186.80/x
  3. Step 3: Cross multiply
    53,590,386.66x = 80,390,375.14 × 20,800,186.80
  4. Step 4: Simplify right side
    53,590,386.66x = 1,672,134,820,256,457
  5. Step 5: Solve for x
    x = 1,672,134,820,256,457/53,590,386.66
  6. Step 6: Final answer
    x = 31,202,141.36

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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.