Home / 80,879,376.30-121,319,064.45-26,291,856.30

Finding the Fourth Proportional to 80,879,376.30, 121,319,064.45 and 26,291,856.30

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Solution

The fourth proportional to 80,879,376.30, 121,319,064.45 and 26,291,856.30 is: 39,437,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,376.30 : 121,319,064.45 = 26,291,856.30 : x
  2. Step 2: Convert to fraction form
    80,879,376.30/121,319,064.45 = 26,291,856.30/x
  3. Step 3: Cross multiply
    80,879,376.30x = 121,319,064.45 × 26,291,856.30
  4. Step 4: Simplify right side
    80,879,376.30x = 3,189,703,408,969,838.50
  5. Step 5: Solve for x
    x = 3,189,703,408,969,838.50/80,879,376.30
  6. Step 6: Final answer
    x = 39,437,784.45

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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.