Home / 86,193,672.21-118,949,779.63-47,037,971.04

Finding the Fourth Proportional to 86,193,672.21, 118,949,779.63 and 47,037,971.04

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Solution

The fourth proportional to 86,193,672.21, 118,949,779.63 and 47,037,971.04 is: 64,913,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,672.21 : 118,949,779.63 = 47,037,971.04 : x
  2. Step 2: Convert to fraction form
    86,193,672.21/118,949,779.63 = 47,037,971.04/x
  3. Step 3: Cross multiply
    86,193,672.21x = 118,949,779.63 × 47,037,971.04
  4. Step 4: Simplify right side
    86,193,672.21x = 5,595,156,289,063,058
  5. Step 5: Solve for x
    x = 5,595,156,289,063,058/86,193,672.21
  6. Step 6: Final answer
    x = 64,913,770.88

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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.