Home / 56,763,618.40-85,145,427.60-38,847,714.40

Finding the Fourth Proportional to 56,763,618.40, 85,145,427.60 and 38,847,714.40

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Solution

The fourth proportional to 56,763,618.40, 85,145,427.60 and 38,847,714.40 is: 58,271,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,763,618.40 : 85,145,427.60 = 38,847,714.40 : x
  2. Step 2: Convert to fraction form
    56,763,618.40/85,145,427.60 = 38,847,714.40/x
  3. Step 3: Cross multiply
    56,763,618.40x = 85,145,427.60 × 38,847,714.40
  4. Step 4: Simplify right side
    56,763,618.40x = 3,307,705,253,870,677
  5. Step 5: Solve for x
    x = 3,307,705,253,870,677/56,763,618.40
  6. Step 6: Final answer
    x = 58,271,571.60

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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.