Home / 55,064,091.48-82,521,733.16-20,966,836.92

Finding the Fourth Proportional to 55,064,091.48, 82,521,733.16 and 20,966,836.92

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Solution

The fourth proportional to 55,064,091.48, 82,521,733.16 and 20,966,836.92 is: 31,421,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064,091.48 : 82,521,733.16 = 20,966,836.92 : x
  2. Step 2: Convert to fraction form
    55,064,091.48/82,521,733.16 = 20,966,836.92/x
  3. Step 3: Cross multiply
    55,064,091.48x = 82,521,733.16 × 20,966,836.92
  4. Step 4: Simplify right side
    55,064,091.48x = 1,730,219,721,521,476.25
  5. Step 5: Solve for x
    x = 1,730,219,721,521,476.25/55,064,091.48
  6. Step 6: Final answer
    x = 31,421,924.43

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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.