Home / 65,681,088.42-90,654,290.73-38,194,872.42

Finding the Fourth Proportional to 65,681,088.42, 90,654,290.73 and 38,194,872.42

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Solution

The fourth proportional to 65,681,088.42, 90,654,290.73 and 38,194,872.42 is: 52,717,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,681,088.42 : 90,654,290.73 = 38,194,872.42 : x
  2. Step 2: Convert to fraction form
    65,681,088.42/90,654,290.73 = 38,194,872.42/x
  3. Step 3: Cross multiply
    65,681,088.42x = 90,654,290.73 × 38,194,872.42
  4. Step 4: Simplify right side
    65,681,088.42x = 3,462,529,068,757,939
  5. Step 5: Solve for x
    x = 3,462,529,068,757,939/65,681,088.42
  6. Step 6: Final answer
    x = 52,717,291.26

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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.