Home / 80,879,384.80-121,319,077.20-26,291,864.80

Finding the Fourth Proportional to 80,879,384.80, 121,319,077.20 and 26,291,864.80

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Solution

The fourth proportional to 80,879,384.80, 121,319,077.20 and 26,291,864.80 is: 39,437,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,384.80 : 121,319,077.20 = 26,291,864.80 : x
  2. Step 2: Convert to fraction form
    80,879,384.80/121,319,077.20 = 26,291,864.80/x
  3. Step 3: Cross multiply
    80,879,384.80x = 121,319,077.20 × 26,291,864.80
  4. Step 4: Simplify right side
    80,879,384.80x = 3,189,704,775,403,162.50
  5. Step 5: Solve for x
    x = 3,189,704,775,403,162.50/80,879,384.80
  6. Step 6: Final answer
    x = 39,437,797.20

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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.