Home / 55,064,054.09-82,521,677.34-20,966,799.53

Finding the Fourth Proportional to 55,064,054.09, 82,521,677.34 and 20,966,799.53

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Solution

The fourth proportional to 55,064,054.09, 82,521,677.34 and 20,966,799.53 is: 31,421,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064,054.09 : 82,521,677.34 = 20,966,799.53 : x
  2. Step 2: Convert to fraction form
    55,064,054.09/82,521,677.34 = 20,966,799.53/x
  3. Step 3: Cross multiply
    55,064,054.09x = 82,521,677.34 × 20,966,799.53
  4. Step 4: Simplify right side
    55,064,054.09x = 1,730,215,465,409,326
  5. Step 5: Solve for x
    x = 1,730,215,465,409,326/55,064,054.09
  6. Step 6: Final answer
    x = 31,421,868.48

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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.