Home / 178,308,002.35-267,462,003.53-115,890,256.90

Finding the Fourth Proportional to 178,308,002.35, 267,462,003.53 and 115,890,256.90

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Solution

The fourth proportional to 178,308,002.35, 267,462,003.53 and 115,890,256.90 is: 173,835,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,308,002.35 : 267,462,003.53 = 115,890,256.90 : x
  2. Step 2: Convert to fraction form
    178,308,002.35/267,462,003.53 = 115,890,256.90/x
  3. Step 3: Cross multiply
    178,308,002.35x = 267,462,003.53 × 115,890,256.90
  4. Step 4: Simplify right side
    178,308,002.35x = 30,996,240,300,080,408
  5. Step 5: Solve for x
    x = 30,996,240,300,080,408/178,308,002.35
  6. Step 6: Final answer
    x = 173,835,385.35

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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.