Home / 90,274,409.64-124,576,905.96-53,108,706.60

Finding the Fourth Proportional to 90,274,409.64, 124,576,905.96 and 53,108,706.60

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Solution

The fourth proportional to 90,274,409.64, 124,576,905.96 and 53,108,706.60 is: 73,288,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274,409.64 : 124,576,905.96 = 53,108,706.60 : x
  2. Step 2: Convert to fraction form
    90,274,409.64/124,576,905.96 = 53,108,706.60/x
  3. Step 3: Cross multiply
    90,274,409.64x = 124,576,905.96 × 53,108,706.60
  4. Step 4: Simplify right side
    90,274,409.64x = 6,616,118,347,765,431
  5. Step 5: Solve for x
    x = 6,616,118,347,765,431/90,274,409.64
  6. Step 6: Final answer
    x = 73,288,968.32

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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.