Home / 195,615,115.20-293,422,672.80-146,828,831.40

Finding the Fourth Proportional to 195,615,115.20, 293,422,672.80 and 146,828,831.40

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Solution

The fourth proportional to 195,615,115.20, 293,422,672.80 and 146,828,831.40 is: 220,243,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,615,115.20 : 293,422,672.80 = 146,828,831.40 : x
  2. Step 2: Convert to fraction form
    195,615,115.20/293,422,672.80 = 146,828,831.40/x
  3. Step 3: Cross multiply
    195,615,115.20x = 293,422,672.80 × 146,828,831.40
  4. Step 4: Simplify right side
    195,615,115.20x = 43,082,908,153,488,568
  5. Step 5: Solve for x
    x = 43,082,908,153,488,568/195,615,115.20
  6. Step 6: Final answer
    x = 220,243,247.10

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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.