Home / 76,423,587.68-105,461,766.60-41,615,514.56

Finding the Fourth Proportional to 76,423,587.68, 105,461,766.60 and 41,615,514.56

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Solution

The fourth proportional to 76,423,587.68, 105,461,766.60 and 41,615,514.56 is: 57,427,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,423,587.68 : 105,461,766.60 = 41,615,514.56 : x
  2. Step 2: Convert to fraction form
    76,423,587.68/105,461,766.60 = 41,615,514.56/x
  3. Step 3: Cross multiply
    76,423,587.68x = 105,461,766.60 × 41,615,514.56
  4. Step 4: Simplify right side
    76,423,587.68x = 4,388,845,683,465,621.50
  5. Step 5: Solve for x
    x = 4,388,845,683,465,621.50/76,423,587.68
  6. Step 6: Final answer
    x = 57,427,893.88

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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.