Home / 45,168,820.32-67,715,139.60-19,590,565.44

Finding the Fourth Proportional to 45,168,820.32, 67,715,139.60 and 19,590,565.44

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Solution

The fourth proportional to 45,168,820.32, 67,715,139.60 and 19,590,565.44 is: 29,369,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168,820.32 : 67,715,139.60 = 19,590,565.44 : x
  2. Step 2: Convert to fraction form
    45,168,820.32/67,715,139.60 = 19,590,565.44/x
  3. Step 3: Cross multiply
    45,168,820.32x = 67,715,139.60 × 19,590,565.44
  4. Step 4: Simplify right side
    45,168,820.32x = 1,326,577,873,612,535.50
  5. Step 5: Solve for x
    x = 1,326,577,873,612,535.50/45,168,820.32
  6. Step 6: Final answer
    x = 29,369,327.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.