Home / 56,992,956.60-85,497,729.30-18,645,180.60

Finding the Fourth Proportional to 56,992,956.60, 85,497,729.30 and 18,645,180.60

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Solution

The fourth proportional to 56,992,956.60, 85,497,729.30 and 18,645,180.60 is: 27,970,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,992,956.60 : 85,497,729.30 = 18,645,180.60 : x
  2. Step 2: Convert to fraction form
    56,992,956.60/85,497,729.30 = 18,645,180.60/x
  3. Step 3: Cross multiply
    56,992,956.60x = 85,497,729.30 × 18,645,180.60
  4. Step 4: Simplify right side
    56,992,956.60x = 1,594,120,603,688,411.75
  5. Step 5: Solve for x
    x = 1,594,120,603,688,411.75/56,992,956.60
  6. Step 6: Final answer
    x = 27,970,484.40

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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.