Home / 120,448,573.48-180,571,292.70-52,239,890.44

Finding the Fourth Proportional to 120,448,573.48, 180,571,292.70 and 52,239,890.44

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Solution

The fourth proportional to 120,448,573.48, 180,571,292.70 and 52,239,890.44 is: 78,315,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,448,573.48 : 180,571,292.70 = 52,239,890.44 : x
  2. Step 2: Convert to fraction form
    120,448,573.48/180,571,292.70 = 52,239,890.44/x
  3. Step 3: Cross multiply
    120,448,573.48x = 180,571,292.70 × 52,239,890.44
  4. Step 4: Simplify right side
    120,448,573.48x = 9,433,024,547,257,170
  5. Step 5: Solve for x
    x = 9,433,024,547,257,170/120,448,573.48
  6. Step 6: Final answer
    x = 78,315,784.69

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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.