Home / 253,808,631.60-380,714,261.14-115,537,540.16

Finding the Fourth Proportional to 253,808,631.60, 380,714,261.14 and 115,537,540.16

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Solution

The fourth proportional to 253,808,631.60, 380,714,261.14 and 115,537,540.16 is: 173,306,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,808,631.60 : 380,714,261.14 = 115,537,540.16 : x
  2. Step 2: Convert to fraction form
    253,808,631.60/380,714,261.14 = 115,537,540.16/x
  3. Step 3: Cross multiply
    253,808,631.60x = 380,714,261.14 × 115,537,540.16
  4. Step 4: Simplify right side
    253,808,631.60x = 43,986,789,235,947,472
  5. Step 5: Solve for x
    x = 43,986,789,235,947,472/253,808,631.60
  6. Step 6: Final answer
    x = 173,306,908.27

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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.