Home / 161,823,288.40-242,818,913.40-70,956,062.80

Finding the Fourth Proportional to 161,823,288.40, 242,818,913.40 and 70,956,062.80

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Solution

The fourth proportional to 161,823,288.40, 242,818,913.40 and 70,956,062.80 is: 106,470,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,823,288.40 : 242,818,913.40 = 70,956,062.80 : x
  2. Step 2: Convert to fraction form
    161,823,288.40/242,818,913.40 = 70,956,062.80/x
  3. Step 3: Cross multiply
    161,823,288.40x = 242,818,913.40 × 70,956,062.80
  4. Step 4: Simplify right side
    161,823,288.40x = 17,229,474,068,238,162
  5. Step 5: Solve for x
    x = 17,229,474,068,238,162/161,823,288.40
  6. Step 6: Final answer
    x = 106,470,917.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.