Home / 173,845,347.40-260,768,021.10-145,785,262.60

Finding the Fourth Proportional to 173,845,347.40, 260,768,021.10 and 145,785,262.60

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Solution

The fourth proportional to 173,845,347.40, 260,768,021.10 and 145,785,262.60 is: 218,677,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,845,347.40 : 260,768,021.10 = 145,785,262.60 : x
  2. Step 2: Convert to fraction form
    173,845,347.40/260,768,021.10 = 145,785,262.60/x
  3. Step 3: Cross multiply
    173,845,347.40x = 260,768,021.10 × 145,785,262.60
  4. Step 4: Simplify right side
    173,845,347.40x = 38,016,134,433,745,840
  5. Step 5: Solve for x
    x = 38,016,134,433,745,840/173,845,347.40
  6. Step 6: Final answer
    x = 218,677,893.90

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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.