Home / 55,087,575.12-82,635,988.40-16,749,421.36

Finding the Fourth Proportional to 55,087,575.12, 82,635,988.40 and 16,749,421.36

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Solution

The fourth proportional to 55,087,575.12, 82,635,988.40 and 16,749,421.36 is: 25,125,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087,575.12 : 82,635,988.40 = 16,749,421.36 : x
  2. Step 2: Convert to fraction form
    55,087,575.12/82,635,988.40 = 16,749,421.36/x
  3. Step 3: Cross multiply
    55,087,575.12x = 82,635,988.40 × 16,749,421.36
  4. Step 4: Simplify right side
    55,087,575.12x = 1,384,104,989,211,672.25
  5. Step 5: Solve for x
    x = 1,384,104,989,211,672.25/55,087,575.12
  6. Step 6: Final answer
    x = 25,125,538.49

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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.