Home / 55,679,820.55-76,839,899.71-32,157,920.32

Finding the Fourth Proportional to 55,679,820.55, 76,839,899.71 and 32,157,920.32

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Solution

The fourth proportional to 55,679,820.55, 76,839,899.71 and 32,157,920.32 is: 44,378,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,679,820.55 : 76,839,899.71 = 32,157,920.32 : x
  2. Step 2: Convert to fraction form
    55,679,820.55/76,839,899.71 = 32,157,920.32/x
  3. Step 3: Cross multiply
    55,679,820.55x = 76,839,899.71 × 32,157,920.32
  4. Step 4: Simplify right side
    55,679,820.55x = 2,471,011,372,270,971
  5. Step 5: Solve for x
    x = 2,471,011,372,270,971/55,679,820.55
  6. Step 6: Final answer
    x = 44,378,939.23

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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.