Home / 56,889,799.54-78,508,059.83-30,784,597.49

Finding the Fourth Proportional to 56,889,799.54, 78,508,059.83 and 30,784,597.49

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Solution

The fourth proportional to 56,889,799.54, 78,508,059.83 and 30,784,597.49 is: 42,482,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,889,799.54 : 78,508,059.83 = 30,784,597.49 : x
  2. Step 2: Convert to fraction form
    56,889,799.54/78,508,059.83 = 30,784,597.49/x
  3. Step 3: Cross multiply
    56,889,799.54x = 78,508,059.83 × 30,784,597.49
  4. Step 4: Simplify right side
    56,889,799.54x = 2,416,839,021,587,387.50
  5. Step 5: Solve for x
    x = 2,416,839,021,587,387.50/56,889,799.54
  6. Step 6: Final answer
    x = 42,482,818.38

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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.