Home / 53,793,242.46-80,689,595.28-21,007,142.58

Finding the Fourth Proportional to 53,793,242.46, 80,689,595.28 and 21,007,142.58

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Solution

The fourth proportional to 53,793,242.46, 80,689,595.28 and 21,007,142.58 is: 31,510,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,793,242.46 : 80,689,595.28 = 21,007,142.58 : x
  2. Step 2: Convert to fraction form
    53,793,242.46/80,689,595.28 = 21,007,142.58/x
  3. Step 3: Cross multiply
    53,793,242.46x = 80,689,595.28 × 21,007,142.58
  4. Step 4: Simplify right side
    53,793,242.46x = 1,695,057,832,769,455
  5. Step 5: Solve for x
    x = 1,695,057,832,769,455/53,793,242.46
  6. Step 6: Final answer
    x = 31,510,609.05

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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.