Home / 55,424,642.88-76,482,921.96-30,643,397.04

Finding the Fourth Proportional to 55,424,642.88, 76,482,921.96 and 30,643,397.04

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Solution

The fourth proportional to 55,424,642.88, 76,482,921.96 and 30,643,397.04 is: 42,286,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424,642.88 : 76,482,921.96 = 30,643,397.04 : x
  2. Step 2: Convert to fraction form
    55,424,642.88/76,482,921.96 = 30,643,397.04/x
  3. Step 3: Cross multiply
    55,424,642.88x = 76,482,921.96 × 30,643,397.04
  4. Step 4: Simplify right side
    55,424,642.88x = 2,343,696,544,399,614.50
  5. Step 5: Solve for x
    x = 2,343,696,544,399,614.50/55,424,642.88
  6. Step 6: Final answer
    x = 42,286,182.15

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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.