Home / 56,889,799.48-78,508,059.74-30,784,597.43

Finding the Fourth Proportional to 56,889,799.48, 78,508,059.74 and 30,784,597.43

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Solution

The fourth proportional to 56,889,799.48, 78,508,059.74 and 30,784,597.43 is: 42,482,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,889,799.48 : 78,508,059.74 = 30,784,597.43 : x
  2. Step 2: Convert to fraction form
    56,889,799.48/78,508,059.74 = 30,784,597.43/x
  3. Step 3: Cross multiply
    56,889,799.48x = 78,508,059.74 × 30,784,597.43
  4. Step 4: Simplify right side
    56,889,799.48x = 2,416,839,014,221,733
  5. Step 5: Solve for x
    x = 2,416,839,014,221,733/56,889,799.48
  6. Step 6: Final answer
    x = 42,482,818.30

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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.