Home / 80,210,340.60-120,315,510.90-37,163,619.60

Finding the Fourth Proportional to 80,210,340.60, 120,315,510.90 and 37,163,619.60

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Solution

The fourth proportional to 80,210,340.60, 120,315,510.90 and 37,163,619.60 is: 55,745,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,210,340.60 : 120,315,510.90 = 37,163,619.60 : x
  2. Step 2: Convert to fraction form
    80,210,340.60/120,315,510.90 = 37,163,619.60/x
  3. Step 3: Cross multiply
    80,210,340.60x = 120,315,510.90 × 37,163,619.60
  4. Step 4: Simplify right side
    80,210,340.60x = 4,471,359,879,067,254
  5. Step 5: Solve for x
    x = 4,471,359,879,067,254/80,210,340.60
  6. Step 6: Final answer
    x = 55,745,429.40

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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.