Home / 145,763,138.40-218,392,765.20-94,618,831.20

Finding the Fourth Proportional to 145,763,138.40, 218,392,765.20 and 94,618,831.20

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Solution

The fourth proportional to 145,763,138.40, 218,392,765.20 and 94,618,831.20 is: 141,764,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,763,138.40 : 218,392,765.20 = 94,618,831.20 : x
  2. Step 2: Convert to fraction form
    145,763,138.40/218,392,765.20 = 94,618,831.20/x
  3. Step 3: Cross multiply
    145,763,138.40x = 218,392,765.20 × 94,618,831.20
  4. Step 4: Simplify right side
    145,763,138.40x = 20,664,068,185,760,032
  5. Step 5: Solve for x
    x = 20,664,068,185,760,032/145,763,138.40
  6. Step 6: Final answer
    x = 141,764,704.11

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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.