Home / 130,766,489.24-180,451,088.96-72,027,890.15

Finding the Fourth Proportional to 130,766,489.24, 180,451,088.96 and 72,027,890.15

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Solution

The fourth proportional to 130,766,489.24, 180,451,088.96 and 72,027,890.15 is: 99,394,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,766,489.24 : 180,451,088.96 = 72,027,890.15 : x
  2. Step 2: Convert to fraction form
    130,766,489.24/180,451,088.96 = 72,027,890.15/x
  3. Step 3: Cross multiply
    130,766,489.24x = 180,451,088.96 × 72,027,890.15
  4. Step 4: Simplify right side
    130,766,489.24x = 12,997,511,211,796,364
  5. Step 5: Solve for x
    x = 12,997,511,211,796,364/130,766,489.24
  6. Step 6: Final answer
    x = 99,394,816.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.