Home / 56,355,999.40-84,533,999.10-18,018,764.20

Finding the Fourth Proportional to 56,355,999.40, 84,533,999.10 and 18,018,764.20

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Solution

The fourth proportional to 56,355,999.40, 84,533,999.10 and 18,018,764.20 is: 27,028,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,355,999.40 : 84,533,999.10 = 18,018,764.20 : x
  2. Step 2: Convert to fraction form
    56,355,999.40/84,533,999.10 = 18,018,764.20/x
  3. Step 3: Cross multiply
    56,355,999.40x = 84,533,999.10 × 18,018,764.20
  4. Step 4: Simplify right side
    56,355,999.40x = 1,523,198,196,665,912
  5. Step 5: Solve for x
    x = 1,523,198,196,665,912/56,355,999.40
  6. Step 6: Final answer
    x = 27,028,146.30

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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.