Home / 81,778,748.45-112,855,393.60-44,609,193.86

Finding the Fourth Proportional to 81,778,748.45, 112,855,393.60 and 44,609,193.86

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Solution

The fourth proportional to 81,778,748.45, 112,855,393.60 and 44,609,193.86 is: 61,561,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,778,748.45 : 112,855,393.60 = 44,609,193.86 : x
  2. Step 2: Convert to fraction form
    81,778,748.45/112,855,393.60 = 44,609,193.86/x
  3. Step 3: Cross multiply
    81,778,748.45x = 112,855,393.60 × 44,609,193.86
  4. Step 4: Simplify right side
    81,778,748.45x = 5,034,388,130,573,203
  5. Step 5: Solve for x
    x = 5,034,388,130,573,203/81,778,748.45
  6. Step 6: Final answer
    x = 61,561,080.68

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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.