Home / 85,570,338.40-128,341,734.80-24,971,861.60

Finding the Fourth Proportional to 85,570,338.40, 128,341,734.80 and 24,971,861.60

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Solution

The fourth proportional to 85,570,338.40, 128,341,734.80 and 24,971,861.60 is: 37,453,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,570,338.40 : 128,341,734.80 = 24,971,861.60 : x
  2. Step 2: Convert to fraction form
    85,570,338.40/128,341,734.80 = 24,971,861.60/x
  3. Step 3: Cross multiply
    85,570,338.40x = 128,341,734.80 × 24,971,861.60
  4. Step 4: Simplify right side
    85,570,338.40x = 3,204,932,038,929,504
  5. Step 5: Solve for x
    x = 3,204,932,038,929,504/85,570,338.40
  6. Step 6: Final answer
    x = 37,453,773.10

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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.