Home / 104,327,128.40-156,490,692.60-65,527,998.80

Finding the Fourth Proportional to 104,327,128.40, 156,490,692.60 and 65,527,998.80

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Solution

The fourth proportional to 104,327,128.40, 156,490,692.60 and 65,527,998.80 is: 98,291,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,327,128.40 : 156,490,692.60 = 65,527,998.80 : x
  2. Step 2: Convert to fraction form
    104,327,128.40/156,490,692.60 = 65,527,998.80/x
  3. Step 3: Cross multiply
    104,327,128.40x = 156,490,692.60 × 65,527,998.80
  4. Step 4: Simplify right side
    104,327,128.40x = 10,254,521,916,903,968
  5. Step 5: Solve for x
    x = 10,254,521,916,903,968/104,327,128.40
  6. Step 6: Final answer
    x = 98,291,998.20

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Double scale
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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.