Home / 66,051,028.80-99,076,543.20-52,446,139.20

Finding the Fourth Proportional to 66,051,028.80, 99,076,543.20 and 52,446,139.20

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Solution

The fourth proportional to 66,051,028.80, 99,076,543.20 and 52,446,139.20 is: 78,669,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,028.80 : 99,076,543.20 = 52,446,139.20 : x
  2. Step 2: Convert to fraction form
    66,051,028.80/99,076,543.20 = 52,446,139.20/x
  3. Step 3: Cross multiply
    66,051,028.80x = 99,076,543.20 × 52,446,139.20
  4. Step 4: Simplify right side
    66,051,028.80x = 5,196,182,176,122,014
  5. Step 5: Solve for x
    x = 5,196,182,176,122,014/66,051,028.80
  6. Step 6: Final answer
    x = 78,669,208.80

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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.