Home / 56,895,748.58-78,516,380.45-30,790,268.72

Finding the Fourth Proportional to 56,895,748.58, 78,516,380.45 and 30,790,268.72

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Solution

The fourth proportional to 56,895,748.58, 78,516,380.45 and 30,790,268.72 is: 42,490,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895,748.58 : 78,516,380.45 = 30,790,268.72 : x
  2. Step 2: Convert to fraction form
    56,895,748.58/78,516,380.45 = 30,790,268.72/x
  3. Step 3: Cross multiply
    56,895,748.58x = 78,516,380.45 × 30,790,268.72
  4. Step 4: Simplify right side
    56,895,748.58x = 2,417,540,453,224,544
  5. Step 5: Solve for x
    x = 2,417,540,453,224,544/56,895,748.58
  6. Step 6: Final answer
    x = 42,490,704.73

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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.