Home / 38,996,956.48-53,871,856.60-31,146,161.20

Finding the Fourth Proportional to 38,996,956.48, 53,871,856.60 and 31,146,161.20

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Solution

The fourth proportional to 38,996,956.48, 53,871,856.60 and 31,146,161.20 is: 43,026,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996,956.48 : 53,871,856.60 = 31,146,161.20 : x
  2. Step 2: Convert to fraction form
    38,996,956.48/53,871,856.60 = 31,146,161.20/x
  3. Step 3: Cross multiply
    38,996,956.48x = 53,871,856.60 × 31,146,161.20
  4. Step 4: Simplify right side
    38,996,956.48x = 1,677,901,529,806,884
  5. Step 5: Solve for x
    x = 1,677,901,529,806,884/38,996,956.48
  6. Step 6: Final answer
    x = 43,026,473.89

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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.