Home / 71,031,103.20-106,596,421.20-45,534,117.60

Finding the Fourth Proportional to 71,031,103.20, 106,596,421.20 and 45,534,117.60

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Solution

The fourth proportional to 71,031,103.20, 106,596,421.20 and 45,534,117.60 is: 68,333,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,031,103.20 : 106,596,421.20 = 45,534,117.60 : x
  2. Step 2: Convert to fraction form
    71,031,103.20/106,596,421.20 = 45,534,117.60/x
  3. Step 3: Cross multiply
    71,031,103.20x = 106,596,421.20 × 45,534,117.60
  4. Step 4: Simplify right side
    71,031,103.20x = 4,853,773,978,659,933
  5. Step 5: Solve for x
    x = 4,853,773,978,659,933/71,031,103.20
  6. Step 6: Final answer
    x = 68,333,078.89

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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.