Home / 74,842,076.48-103,282,064.64-40,503,260.48

Finding the Fourth Proportional to 74,842,076.48, 103,282,064.64 and 40,503,260.48

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Solution

The fourth proportional to 74,842,076.48, 103,282,064.64 and 40,503,260.48 is: 55,894,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,842,076.48 : 103,282,064.64 = 40,503,260.48 : x
  2. Step 2: Convert to fraction form
    74,842,076.48/103,282,064.64 = 40,503,260.48/x
  3. Step 3: Cross multiply
    74,842,076.48x = 103,282,064.64 × 40,503,260.48
  4. Step 4: Simplify right side
    74,842,076.48x = 4,183,260,367,026,117
  5. Step 5: Solve for x
    x = 4,183,260,367,026,117/74,842,076.48
  6. Step 6: Final answer
    x = 55,894,498.97

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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.