Home / 75,842,831.80-113,764,247.70-75,087,004.60

Finding the Fourth Proportional to 75,842,831.80, 113,764,247.70 and 75,087,004.60

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Solution

The fourth proportional to 75,842,831.80, 113,764,247.70 and 75,087,004.60 is: 112,630,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,842,831.80 : 113,764,247.70 = 75,087,004.60 : x
  2. Step 2: Convert to fraction form
    75,842,831.80/113,764,247.70 = 75,087,004.60/x
  3. Step 3: Cross multiply
    75,842,831.80x = 113,764,247.70 × 75,087,004.60
  4. Step 4: Simplify right side
    75,842,831.80x = 8,542,216,590,365,439
  5. Step 5: Solve for x
    x = 8,542,216,590,365,439/75,842,831.80
  6. Step 6: Final answer
    x = 112,630,506.90

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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.