Home / 132,890,666.40-199,373,324.40-64,735,581.60

Finding the Fourth Proportional to 132,890,666.40, 199,373,324.40 and 64,735,581.60

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Solution

The fourth proportional to 132,890,666.40, 199,373,324.40 and 64,735,581.60 is: 97,121,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,890,666.40 : 199,373,324.40 = 64,735,581.60 : x
  2. Step 2: Convert to fraction form
    132,890,666.40/199,373,324.40 = 64,735,581.60/x
  3. Step 3: Cross multiply
    132,890,666.40x = 199,373,324.40 × 64,735,581.60
  4. Step 4: Simplify right side
    132,890,666.40x = 12,906,548,110,559,472
  5. Step 5: Solve for x
    x = 12,906,548,110,559,472/132,890,666.40
  6. Step 6: Final answer
    x = 97,121,554.58

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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.