Home / 55,316,574.89-76,334,872.47-30,536,229.80

Finding the Fourth Proportional to 55,316,574.89, 76,334,872.47 and 30,536,229.80

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Solution

The fourth proportional to 55,316,574.89, 76,334,872.47 and 30,536,229.80 is: 42,138,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,574.89 : 76,334,872.47 = 30,536,229.80 : x
  2. Step 2: Convert to fraction form
    55,316,574.89/76,334,872.47 = 30,536,229.80/x
  3. Step 3: Cross multiply
    55,316,574.89x = 76,334,872.47 × 30,536,229.80
  4. Step 4: Simplify right side
    55,316,574.89x = 2,330,979,207,573,940
  5. Step 5: Solve for x
    x = 2,330,979,207,573,940/55,316,574.89
  6. Step 6: Final answer
    x = 42,138,892.59

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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.