Home / 254,483,262.90-381,472,951.95-124,984,869.30

Finding the Fourth Proportional to 254,483,262.90, 381,472,951.95 and 124,984,869.30

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Solution

The fourth proportional to 254,483,262.90, 381,472,951.95 and 124,984,869.30 is: 187,353,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,483,262.90 : 381,472,951.95 = 124,984,869.30 : x
  2. Step 2: Convert to fraction form
    254,483,262.90/381,472,951.95 = 124,984,869.30/x
  3. Step 3: Cross multiply
    254,483,262.90x = 381,472,951.95 × 124,984,869.30
  4. Step 4: Simplify right side
    254,483,262.90x = 47,678,347,040,955,928
  5. Step 5: Solve for x
    x = 47,678,347,040,955,928/254,483,262.90
  6. Step 6: Final answer
    x = 187,353,566.98

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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.