Home / 66,051,212.80-99,076,819.20-27,740,221.60

Finding the Fourth Proportional to 66,051,212.80, 99,076,819.20 and 27,740,221.60

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Solution

The fourth proportional to 66,051,212.80, 99,076,819.20 and 27,740,221.60 is: 41,610,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,212.80 : 99,076,819.20 = 27,740,221.60 : x
  2. Step 2: Convert to fraction form
    66,051,212.80/99,076,819.20 = 27,740,221.60/x
  3. Step 3: Cross multiply
    66,051,212.80x = 99,076,819.20 × 27,740,221.60
  4. Step 4: Simplify right side
    66,051,212.80x = 2,748,412,920,031,135
  5. Step 5: Solve for x
    x = 2,748,412,920,031,135/66,051,212.80
  6. Step 6: Final answer
    x = 41,610,332.40

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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.