Home / 72,588,905.60-108,883,358.40-32,199,389.60

Finding the Fourth Proportional to 72,588,905.60, 108,883,358.40 and 32,199,389.60

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Solution

The fourth proportional to 72,588,905.60, 108,883,358.40 and 32,199,389.60 is: 48,299,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,588,905.60 : 108,883,358.40 = 32,199,389.60 : x
  2. Step 2: Convert to fraction form
    72,588,905.60/108,883,358.40 = 32,199,389.60/x
  3. Step 3: Cross multiply
    72,588,905.60x = 108,883,358.40 × 32,199,389.60
  4. Step 4: Simplify right side
    72,588,905.60x = 3,505,977,678,078,033
  5. Step 5: Solve for x
    x = 3,505,977,678,078,033/72,588,905.60
  6. Step 6: Final answer
    x = 48,299,084.40

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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.