Home / 135,937,010.40-203,905,515.60-38,898,508.20

Finding the Fourth Proportional to 135,937,010.40, 203,905,515.60 and 38,898,508.20

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Solution

The fourth proportional to 135,937,010.40, 203,905,515.60 and 38,898,508.20 is: 58,347,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,937,010.40 : 203,905,515.60 = 38,898,508.20 : x
  2. Step 2: Convert to fraction form
    135,937,010.40/203,905,515.60 = 38,898,508.20/x
  3. Step 3: Cross multiply
    135,937,010.40x = 203,905,515.60 × 38,898,508.20
  4. Step 4: Simplify right side
    135,937,010.40x = 7,931,620,370,591,828
  5. Step 5: Solve for x
    x = 7,931,620,370,591,828/135,937,010.40
  6. Step 6: Final answer
    x = 58,347,762.30

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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.