Home / 55,301,337.60-82,952,006.40-20,757,672.60

Finding the Fourth Proportional to 55,301,337.60, 82,952,006.40 and 20,757,672.60

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Solution

The fourth proportional to 55,301,337.60, 82,952,006.40 and 20,757,672.60 is: 31,136,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301,337.60 : 82,952,006.40 = 20,757,672.60 : x
  2. Step 2: Convert to fraction form
    55,301,337.60/82,952,006.40 = 20,757,672.60/x
  3. Step 3: Cross multiply
    55,301,337.60x = 82,952,006.40 × 20,757,672.60
  4. Step 4: Simplify right side
    55,301,337.60x = 1,721,890,590,364,305
  5. Step 5: Solve for x
    x = 1,721,890,590,364,305/55,301,337.60
  6. Step 6: Final answer
    x = 31,136,508.90

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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.