Home / 132,899,643.40-199,386,789.90-64,744,558.60

Finding the Fourth Proportional to 132,899,643.40, 199,386,789.90 and 64,744,558.60

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Solution

The fourth proportional to 132,899,643.40, 199,386,789.90 and 64,744,558.60 is: 97,135,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,899,643.40 : 199,386,789.90 = 64,744,558.60 : x
  2. Step 2: Convert to fraction form
    132,899,643.40/199,386,789.90 = 64,744,558.60/x
  3. Step 3: Cross multiply
    132,899,643.40x = 199,386,789.90 × 64,744,558.60
  4. Step 4: Simplify right side
    132,899,643.40x = 12,909,209,702,746,438
  5. Step 5: Solve for x
    x = 12,909,209,702,746,438/132,899,643.40
  6. Step 6: Final answer
    x = 97,135,021.38

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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.