Home / 48,353,134.40-72,529,701.60-45,516,449.60

Finding the Fourth Proportional to 48,353,134.40, 72,529,701.60 and 45,516,449.60

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Solution

The fourth proportional to 48,353,134.40, 72,529,701.60 and 45,516,449.60 is: 68,274,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,353,134.40 : 72,529,701.60 = 45,516,449.60 : x
  2. Step 2: Convert to fraction form
    48,353,134.40/72,529,701.60 = 45,516,449.60/x
  3. Step 3: Cross multiply
    48,353,134.40x = 72,529,701.60 × 45,516,449.60
  4. Step 4: Simplify right side
    48,353,134.40x = 3,301,294,507,379,439
  5. Step 5: Solve for x
    x = 3,301,294,507,379,439/48,353,134.40
  6. Step 6: Final answer
    x = 68,274,674.40

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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.