Home / 132,900,390.40-199,387,910.40-64,745,305.60

Finding the Fourth Proportional to 132,900,390.40, 199,387,910.40 and 64,745,305.60

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Solution

The fourth proportional to 132,900,390.40, 199,387,910.40 and 64,745,305.60 is: 97,136,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,900,390.40 : 199,387,910.40 = 64,745,305.60 : x
  2. Step 2: Convert to fraction form
    132,900,390.40/199,387,910.40 = 64,745,305.60/x
  3. Step 3: Cross multiply
    132,900,390.40x = 199,387,910.40 × 64,745,305.60
  4. Step 4: Simplify right side
    132,900,390.40x = 12,909,431,191,793,418
  5. Step 5: Solve for x
    x = 12,909,431,191,793,418/132,900,390.40
  6. Step 6: Final answer
    x = 97,136,141.99

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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.