Home / 45,635,779.64-68,453,786.10-11,557,129.40

Finding the Fourth Proportional to 45,635,779.64, 68,453,786.10 and 11,557,129.40

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Solution

The fourth proportional to 45,635,779.64, 68,453,786.10 and 11,557,129.40 is: 17,335,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635,779.64 : 68,453,786.10 = 11,557,129.40 : x
  2. Step 2: Convert to fraction form
    45,635,779.64/68,453,786.10 = 11,557,129.40/x
  3. Step 3: Cross multiply
    45,635,779.64x = 68,453,786.10 × 11,557,129.40
  4. Step 4: Simplify right side
    45,635,779.64x = 791,129,263,877,621.25
  5. Step 5: Solve for x
    x = 791,129,263,877,621.25/45,635,779.64
  6. Step 6: Final answer
    x = 17,335,723.64

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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.