Home / 53,590,442.49-80,390,458.76-20,800,242.63

Finding the Fourth Proportional to 53,590,442.49, 80,390,458.76 and 20,800,242.63

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Solution

The fourth proportional to 53,590,442.49, 80,390,458.76 and 20,800,242.63 is: 31,202,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590,442.49 : 80,390,458.76 = 20,800,242.63 : x
  2. Step 2: Convert to fraction form
    53,590,442.49/80,390,458.76 = 20,800,242.63/x
  3. Step 3: Cross multiply
    53,590,442.49x = 80,390,458.76 × 20,800,242.63
  4. Step 4: Simplify right side
    53,590,442.49x = 1,672,141,047,241,007.50
  5. Step 5: Solve for x
    x = 1,672,141,047,241,007.50/53,590,442.49
  6. Step 6: Final answer
    x = 31,202,225.05

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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.