Home / 66,072,176.80-99,108,265.20-52,467,287.20

Finding the Fourth Proportional to 66,072,176.80, 99,108,265.20 and 52,467,287.20

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Solution

The fourth proportional to 66,072,176.80, 99,108,265.20 and 52,467,287.20 is: 78,700,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072,176.80 : 99,108,265.20 = 52,467,287.20 : x
  2. Step 2: Convert to fraction form
    66,072,176.80/99,108,265.20 = 52,467,287.20/x
  3. Step 3: Cross multiply
    66,072,176.80x = 99,108,265.20 × 52,467,287.20
  4. Step 4: Simplify right side
    66,072,176.80x = 5,199,941,814,142,166
  5. Step 5: Solve for x
    x = 5,199,941,814,142,166/66,072,176.80
  6. Step 6: Final answer
    x = 78,700,930.80

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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.