Home / 43,181,760.80-64,779,898.80-12,892,685.60

Finding the Fourth Proportional to 43,181,760.80, 64,779,898.80 and 12,892,685.60

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Solution

The fourth proportional to 43,181,760.80, 64,779,898.80 and 12,892,685.60 is: 19,341,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,181,760.80 : 64,779,898.80 = 12,892,685.60 : x
  2. Step 2: Convert to fraction form
    43,181,760.80/64,779,898.80 = 12,892,685.60/x
  3. Step 3: Cross multiply
    43,181,760.80x = 64,779,898.80 × 12,892,685.60
  4. Step 4: Simplify right side
    43,181,760.80x = 835,186,868,428,217.25
  5. Step 5: Solve for x
    x = 835,186,868,428,217.25/43,181,760.80
  6. Step 6: Final answer
    x = 19,341,195.29

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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.