Home / 70,702,761.60-97,558,407.18-39,761,085.60

Finding the Fourth Proportional to 70,702,761.60, 97,558,407.18 and 39,761,085.60

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Solution

The fourth proportional to 70,702,761.60, 97,558,407.18 and 39,761,085.60 is: 54,863,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,702,761.60 : 97,558,407.18 = 39,761,085.60 : x
  2. Step 2: Convert to fraction form
    70,702,761.60/97,558,407.18 = 39,761,085.60/x
  3. Step 3: Cross multiply
    70,702,761.60x = 97,558,407.18 × 39,761,085.60
  4. Step 4: Simplify right side
    70,702,761.60x = 3,879,028,178,883,635
  5. Step 5: Solve for x
    x = 3,879,028,178,883,635/70,702,761.60
  6. Step 6: Final answer
    x = 54,863,884.96

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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.