Home / 56,248,820.64-77,620,229.58-31,464,222.12

Finding the Fourth Proportional to 56,248,820.64, 77,620,229.58 and 31,464,222.12

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Solution

The fourth proportional to 56,248,820.64, 77,620,229.58 and 31,464,222.12 is: 43,418,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,248,820.64 : 77,620,229.58 = 31,464,222.12 : x
  2. Step 2: Convert to fraction form
    56,248,820.64/77,620,229.58 = 31,464,222.12/x
  3. Step 3: Cross multiply
    56,248,820.64x = 77,620,229.58 × 31,464,222.12
  4. Step 4: Simplify right side
    56,248,820.64x = 2,442,260,144,510,514.50
  5. Step 5: Solve for x
    x = 2,442,260,144,510,514.50/56,248,820.64
  6. Step 6: Final answer
    x = 43,418,868.46

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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.