Home / 54,676,488.96-81,989,488.80-20,124,211.84

Finding the Fourth Proportional to 54,676,488.96, 81,989,488.80 and 20,124,211.84

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Solution

The fourth proportional to 54,676,488.96, 81,989,488.80 and 20,124,211.84 is: 30,177,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,676,488.96 : 81,989,488.80 = 20,124,211.84 : x
  2. Step 2: Convert to fraction form
    54,676,488.96/81,989,488.80 = 20,124,211.84/x
  3. Step 3: Cross multiply
    54,676,488.96x = 81,989,488.80 × 20,124,211.84
  4. Step 4: Simplify right side
    54,676,488.96x = 1,649,973,841,264,507.25
  5. Step 5: Solve for x
    x = 1,649,973,841,264,507.25/54,676,488.96
  6. Step 6: Final answer
    x = 30,177,026.23

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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.