Home / 80,352,006.30-120,528,009.45-25,764,486.30

Finding the Fourth Proportional to 80,352,006.30, 120,528,009.45 and 25,764,486.30

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Solution

The fourth proportional to 80,352,006.30, 120,528,009.45 and 25,764,486.30 is: 38,646,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,352,006.30 : 120,528,009.45 = 25,764,486.30 : x
  2. Step 2: Convert to fraction form
    80,352,006.30/120,528,009.45 = 25,764,486.30/x
  3. Step 3: Cross multiply
    80,352,006.30x = 120,528,009.45 × 25,764,486.30
  4. Step 4: Simplify right side
    80,352,006.30x = 3,105,342,248,240,795.50
  5. Step 5: Solve for x
    x = 3,105,342,248,240,795.50/80,352,006.30
  6. Step 6: Final answer
    x = 38,646,729.45

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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.