Home / 67,394,440.80-101,091,661.20-64,749,045.60

Finding the Fourth Proportional to 67,394,440.80, 101,091,661.20 and 64,749,045.60

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Solution

The fourth proportional to 67,394,440.80, 101,091,661.20 and 64,749,045.60 is: 97,123,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,394,440.80 : 101,091,661.20 = 64,749,045.60 : x
  2. Step 2: Convert to fraction form
    67,394,440.80/101,091,661.20 = 64,749,045.60/x
  3. Step 3: Cross multiply
    67,394,440.80x = 101,091,661.20 × 64,749,045.60
  4. Step 4: Simplify right side
    67,394,440.80x = 6,545,588,580,818,551
  5. Step 5: Solve for x
    x = 6,545,588,580,818,551/67,394,440.80
  6. Step 6: Final answer
    x = 97,123,568.40

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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.