Home / 254,983,220.70-382,474,831.05-82,583,760.30

Finding the Fourth Proportional to 254,983,220.70, 382,474,831.05 and 82,583,760.30

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Solution

The fourth proportional to 254,983,220.70, 382,474,831.05 and 82,583,760.30 is: 123,875,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,983,220.70 : 382,474,831.05 = 82,583,760.30 : x
  2. Step 2: Convert to fraction form
    254,983,220.70/382,474,831.05 = 82,583,760.30/x
  3. Step 3: Cross multiply
    254,983,220.70x = 382,474,831.05 × 82,583,760.30
  4. Step 4: Simplify right side
    254,983,220.70x = 31,586,209,768,216,196
  5. Step 5: Solve for x
    x = 31,586,209,768,216,196/254,983,220.70
  6. Step 6: Final answer
    x = 123,875,640.45

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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.