Home / 80,587,067.40-120,623,409.90-63,580,955.40

Finding the Fourth Proportional to 80,587,067.40, 120,623,409.90 and 63,580,955.40

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Solution

The fourth proportional to 80,587,067.40, 120,623,409.90 and 63,580,955.40 is: 95,168,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587,067.40 : 120,623,409.90 = 63,580,955.40 : x
  2. Step 2: Convert to fraction form
    80,587,067.40/120,623,409.90 = 63,580,955.40/x
  3. Step 3: Cross multiply
    80,587,067.40x = 120,623,409.90 × 63,580,955.40
  4. Step 4: Simplify right side
    80,587,067.40x = 7,669,351,645,047,819
  5. Step 5: Solve for x
    x = 7,669,351,645,047,819/80,587,067.40
  6. Step 6: Final answer
    x = 95,168,516.39

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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.