Home / 53,992,249.20-80,995,477.80-19,937,516.40

Finding the Fourth Proportional to 53,992,249.20, 80,995,477.80 and 19,937,516.40

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Solution

The fourth proportional to 53,992,249.20, 80,995,477.80 and 19,937,516.40 is: 29,908,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992,249.20 : 80,995,477.80 = 19,937,516.40 : x
  2. Step 2: Convert to fraction form
    53,992,249.20/80,995,477.80 = 19,937,516.40/x
  3. Step 3: Cross multiply
    53,992,249.20x = 80,995,477.80 × 19,937,516.40
  4. Step 4: Simplify right side
    53,992,249.20x = 1,614,848,666,963,335.75
  5. Step 5: Solve for x
    x = 1,614,848,666,963,335.75/53,992,249.20
  6. Step 6: Final answer
    x = 29,908,897.87

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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.