Home / 66,204,461.79-91,360,725.66-38,328,347.43

Finding the Fourth Proportional to 66,204,461.79, 91,360,725.66 and 38,328,347.43

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Solution

The fourth proportional to 66,204,461.79, 91,360,725.66 and 38,328,347.43 is: 52,892,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204,461.79 : 91,360,725.66 = 38,328,347.43 : x
  2. Step 2: Convert to fraction form
    66,204,461.79/91,360,725.66 = 38,328,347.43/x
  3. Step 3: Cross multiply
    66,204,461.79x = 91,360,725.66 × 38,328,347.43
  4. Step 4: Simplify right side
    66,204,461.79x = 3,501,705,634,553,396
  5. Step 5: Solve for x
    x = 3,501,705,634,553,396/66,204,461.79
  6. Step 6: Final answer
    x = 52,892,290.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.