Home / 72,581,025.60-108,871,538.40-24,711,969.60

Finding the Fourth Proportional to 72,581,025.60, 108,871,538.40 and 24,711,969.60

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Solution

The fourth proportional to 72,581,025.60, 108,871,538.40 and 24,711,969.60 is: 37,067,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,025.60 : 108,871,538.40 = 24,711,969.60 : x
  2. Step 2: Convert to fraction form
    72,581,025.60/108,871,538.40 = 24,711,969.60/x
  3. Step 3: Cross multiply
    72,581,025.60x = 108,871,538.40 × 24,711,969.60
  4. Step 4: Simplify right side
    72,581,025.60x = 2,690,430,147,246,033
  5. Step 5: Solve for x
    x = 2,690,430,147,246,033/72,581,025.60
  6. Step 6: Final answer
    x = 37,067,954.40

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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.