Home / 86,909,890.31-130,344,611.01-32,348,171.44

Finding the Fourth Proportional to 86,909,890.31, 130,344,611.01 and 32,348,171.44

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Solution

The fourth proportional to 86,909,890.31, 130,344,611.01 and 32,348,171.44 is: 48,514,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,890.31 : 130,344,611.01 = 32,348,171.44 : x
  2. Step 2: Convert to fraction form
    86,909,890.31/130,344,611.01 = 32,348,171.44/x
  3. Step 3: Cross multiply
    86,909,890.31x = 130,344,611.01 × 32,348,171.44
  4. Step 4: Simplify right side
    86,909,890.31x = 4,216,409,823,455,337
  5. Step 5: Solve for x
    x = 4,216,409,823,455,337/86,909,890.31
  6. Step 6: Final answer
    x = 48,514,729.55

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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.