Home / 55,780,434.60-83,670,651.90-19,865,682.60

Finding the Fourth Proportional to 55,780,434.60, 83,670,651.90 and 19,865,682.60

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Solution

The fourth proportional to 55,780,434.60, 83,670,651.90 and 19,865,682.60 is: 29,798,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780,434.60 : 83,670,651.90 = 19,865,682.60 : x
  2. Step 2: Convert to fraction form
    55,780,434.60/83,670,651.90 = 19,865,682.60/x
  3. Step 3: Cross multiply
    55,780,434.60x = 83,670,651.90 × 19,865,682.60
  4. Step 4: Simplify right side
    55,780,434.60x = 1,662,174,613,580,487.25
  5. Step 5: Solve for x
    x = 1,662,174,613,580,487.25/55,780,434.60
  6. Step 6: Final answer
    x = 29,798,523.90

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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.