Home / 66,433,336.80-99,650,005.20-18,564,280.80

Finding the Fourth Proportional to 66,433,336.80, 99,650,005.20 and 18,564,280.80

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Solution

The fourth proportional to 66,433,336.80, 99,650,005.20 and 18,564,280.80 is: 27,846,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,336.80 : 99,650,005.20 = 18,564,280.80 : x
  2. Step 2: Convert to fraction form
    66,433,336.80/99,650,005.20 = 18,564,280.80/x
  3. Step 3: Cross multiply
    66,433,336.80x = 99,650,005.20 × 18,564,280.80
  4. Step 4: Simplify right side
    66,433,336.80x = 1,849,930,678,254,260.25
  5. Step 5: Solve for x
    x = 1,849,930,678,254,260.25/66,433,336.80
  6. Step 6: Final answer
    x = 27,846,421.20

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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.