Home / 52,285,670.76-72,149,170.86-30,254,775.60

Finding the Fourth Proportional to 52,285,670.76, 72,149,170.86 and 30,254,775.60

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Solution

The fourth proportional to 52,285,670.76, 72,149,170.86 and 30,254,775.60 is: 41,748,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285,670.76 : 72,149,170.86 = 30,254,775.60 : x
  2. Step 2: Convert to fraction form
    52,285,670.76/72,149,170.86 = 30,254,775.60/x
  3. Step 3: Cross multiply
    52,285,670.76x = 72,149,170.86 × 30,254,775.60
  4. Step 4: Simplify right side
    52,285,670.76x = 2,182,856,974,095,359
  5. Step 5: Solve for x
    x = 2,182,856,974,095,359/52,285,670.76
  6. Step 6: Final answer
    x = 41,748,665.41

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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.