Home / 81,549,482.15-122,263,124.51-49,193,842.61

Finding the Fourth Proportional to 81,549,482.15, 122,263,124.51 and 49,193,842.61

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Solution

The fourth proportional to 81,549,482.15, 122,263,124.51 and 49,193,842.61 is: 73,753,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,549,482.15 : 122,263,124.51 = 49,193,842.61 : x
  2. Step 2: Convert to fraction form
    81,549,482.15/122,263,124.51 = 49,193,842.61/x
  3. Step 3: Cross multiply
    81,549,482.15x = 122,263,124.51 × 49,193,842.61
  4. Step 4: Simplify right side
    81,549,482.15x = 6,014,592,903,294,488
  5. Step 5: Solve for x
    x = 6,014,592,903,294,488/81,549,482.15
  6. Step 6: Final answer
    x = 73,753,906.77

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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.