Home / 107,302,523.40-160,953,785.10-85,383,534.60

Finding the Fourth Proportional to 107,302,523.40, 160,953,785.10 and 85,383,534.60

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Solution

The fourth proportional to 107,302,523.40, 160,953,785.10 and 85,383,534.60 is: 128,075,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,302,523.40 : 160,953,785.10 = 85,383,534.60 : x
  2. Step 2: Convert to fraction form
    107,302,523.40/160,953,785.10 = 85,383,534.60/x
  3. Step 3: Cross multiply
    107,302,523.40x = 160,953,785.10 × 85,383,534.60
  4. Step 4: Simplify right side
    107,302,523.40x = 13,742,803,079,086,812
  5. Step 5: Solve for x
    x = 13,742,803,079,086,812/107,302,523.40
  6. Step 6: Final answer
    x = 128,075,301.90

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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.