Home / 66,435,504.80-99,653,257.20-64,942,512.80

Finding the Fourth Proportional to 66,435,504.80, 99,653,257.20 and 64,942,512.80

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Solution

The fourth proportional to 66,435,504.80, 99,653,257.20 and 64,942,512.80 is: 97,413,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435,504.80 : 99,653,257.20 = 64,942,512.80 : x
  2. Step 2: Convert to fraction form
    66,435,504.80/99,653,257.20 = 64,942,512.80/x
  3. Step 3: Cross multiply
    66,435,504.80x = 99,653,257.20 × 64,942,512.80
  4. Step 4: Simplify right side
    66,435,504.80x = 6,471,732,931,272,692
  5. Step 5: Solve for x
    x = 6,471,732,931,272,692/66,435,504.80
  6. Step 6: Final answer
    x = 97,413,769.20

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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.