Home / 76,135,031.80-105,068,196.30-41,329,148.92

Finding the Fourth Proportional to 76,135,031.80, 105,068,196.30 and 41,329,148.92

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Solution

The fourth proportional to 76,135,031.80, 105,068,196.30 and 41,329,148.92 is: 57,035,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,135,031.80 : 105,068,196.30 = 41,329,148.92 : x
  2. Step 2: Convert to fraction form
    76,135,031.80/105,068,196.30 = 41,329,148.92/x
  3. Step 3: Cross multiply
    76,135,031.80x = 105,068,196.30 × 41,329,148.92
  4. Step 4: Simplify right side
    76,135,031.80x = 4,342,379,131,638,493
  5. Step 5: Solve for x
    x = 4,342,379,131,638,493/76,135,031.80
  6. Step 6: Final answer
    x = 57,035,231.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.