Home / 56,768,000.80-85,152,001.20-45,430,592.80

Finding the Fourth Proportional to 56,768,000.80, 85,152,001.20 and 45,430,592.80

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Solution

The fourth proportional to 56,768,000.80, 85,152,001.20 and 45,430,592.80 is: 68,145,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768,000.80 : 85,152,001.20 = 45,430,592.80 : x
  2. Step 2: Convert to fraction form
    56,768,000.80/85,152,001.20 = 45,430,592.80/x
  3. Step 3: Cross multiply
    56,768,000.80x = 85,152,001.20 × 45,430,592.80
  4. Step 4: Simplify right side
    56,768,000.80x = 3,868,505,892,622,311
  5. Step 5: Solve for x
    x = 3,868,505,892,622,311/56,768,000.80
  6. Step 6: Final answer
    x = 68,145,889.20

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Similar ratio
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1.5x scale

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.