Home / 131,050,425.60-196,575,638.40-80,032,089.60

Finding the Fourth Proportional to 131,050,425.60, 196,575,638.40 and 80,032,089.60

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Solution

The fourth proportional to 131,050,425.60, 196,575,638.40 and 80,032,089.60 is: 120,048,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,050,425.60 : 196,575,638.40 = 80,032,089.60 : x
  2. Step 2: Convert to fraction form
    131,050,425.60/196,575,638.40 = 80,032,089.60/x
  3. Step 3: Cross multiply
    131,050,425.60x = 196,575,638.40 × 80,032,089.60
  4. Step 4: Simplify right side
    131,050,425.60x = 15,732,359,105,606,000
  5. Step 5: Solve for x
    x = 15,732,359,105,606,000/131,050,425.60
  6. Step 6: Final answer
    x = 120,048,134.40

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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.