Home / 55,064,091.40-82,521,733.03-20,966,836.84

Finding the Fourth Proportional to 55,064,091.40, 82,521,733.03 and 20,966,836.84

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Solution

The fourth proportional to 55,064,091.40, 82,521,733.03 and 20,966,836.84 is: 31,421,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064,091.40 : 82,521,733.03 = 20,966,836.84 : x
  2. Step 2: Convert to fraction form
    55,064,091.40/82,521,733.03 = 20,966,836.84/x
  3. Step 3: Cross multiply
    55,064,091.40x = 82,521,733.03 × 20,966,836.84
  4. Step 4: Simplify right side
    55,064,091.40x = 1,730,219,711,935,327.25
  5. Step 5: Solve for x
    x = 1,730,219,711,935,327.25/55,064,091.40
  6. Step 6: Final answer
    x = 31,421,924.31

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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.