Home / 66,051,186.30-99,076,779.45-20,607,075.90

Finding the Fourth Proportional to 66,051,186.30, 99,076,779.45 and 20,607,075.90

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Solution

The fourth proportional to 66,051,186.30, 99,076,779.45 and 20,607,075.90 is: 30,910,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,186.30 : 99,076,779.45 = 20,607,075.90 : x
  2. Step 2: Convert to fraction form
    66,051,186.30/99,076,779.45 = 20,607,075.90/x
  3. Step 3: Cross multiply
    66,051,186.30x = 99,076,779.45 × 20,607,075.90
  4. Step 4: Simplify right side
    66,051,186.30x = 2,041,682,714,053,710.25
  5. Step 5: Solve for x
    x = 2,041,682,714,053,710.25/66,051,186.30
  6. Step 6: Final answer
    x = 30,910,613.85

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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.