Home / 51,115,142.60-70,538,983.92-27,909,775

Finding the Fourth Proportional to 51,115,142.60, 70,538,983.92 and 27,909,775

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Solution

The fourth proportional to 51,115,142.60, 70,538,983.92 and 27,909,775 is: 38,515,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,115,142.60 : 70,538,983.92 = 27,909,775 : x
  2. Step 2: Convert to fraction form
    51,115,142.60/70,538,983.92 = 27,909,775/x
  3. Step 3: Cross multiply
    51,115,142.60x = 70,538,983.92 × 27,909,775
  4. Step 4: Simplify right side
    51,115,142.60x = 1,968,727,169,935,818
  5. Step 5: Solve for x
    x = 1,968,727,169,935,818/51,115,142.60
  6. Step 6: Final answer
    x = 38,515,537.08

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1.5x scale

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.