Home / 145,489,982.87-218,046,015.87-59,127,889.79

Finding the Fourth Proportional to 145,489,982.87, 218,046,015.87 and 59,127,889.79

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Solution

The fourth proportional to 145,489,982.87, 218,046,015.87 and 59,127,889.79 is: 88,615,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,489,982.87 : 218,046,015.87 = 59,127,889.79 : x
  2. Step 2: Convert to fraction form
    145,489,982.87/218,046,015.87 = 59,127,889.79/x
  3. Step 3: Cross multiply
    145,489,982.87x = 218,046,015.87 × 59,127,889.79
  4. Step 4: Simplify right side
    145,489,982.87x = 12,892,600,794,419,720
  5. Step 5: Solve for x
    x = 12,892,600,794,419,720/145,489,982.87
  6. Step 6: Final answer
    x = 88,615,040.98

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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.