Home / 56,793,611.10-85,190,416.65-18,459,000.30

Finding the Fourth Proportional to 56,793,611.10, 85,190,416.65 and 18,459,000.30

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Solution

The fourth proportional to 56,793,611.10, 85,190,416.65 and 18,459,000.30 is: 27,688,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793,611.10 : 85,190,416.65 = 18,459,000.30 : x
  2. Step 2: Convert to fraction form
    56,793,611.10/85,190,416.65 = 18,459,000.30/x
  3. Step 3: Cross multiply
    56,793,611.10x = 85,190,416.65 × 18,459,000.30
  4. Step 4: Simplify right side
    56,793,611.10x = 1,572,529,926,499,475.25
  5. Step 5: Solve for x
    x = 1,572,529,926,499,475.25/56,793,611.10
  6. Step 6: Final answer
    x = 27,688,500.45

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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.