Home / 90,274,408.64-124,576,904.58-53,108,705.60

Finding the Fourth Proportional to 90,274,408.64, 124,576,904.58 and 53,108,705.60

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Solution

The fourth proportional to 90,274,408.64, 124,576,904.58 and 53,108,705.60 is: 73,288,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274,408.64 : 124,576,904.58 = 53,108,705.60 : x
  2. Step 2: Convert to fraction form
    90,274,408.64/124,576,904.58 = 53,108,705.60/x
  3. Step 3: Cross multiply
    90,274,408.64x = 124,576,904.58 × 53,108,705.60
  4. Step 4: Simplify right side
    90,274,408.64x = 6,616,118,149,898,512
  5. Step 5: Solve for x
    x = 6,616,118,149,898,512/90,274,408.64
  6. Step 6: Final answer
    x = 73,288,966.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.