Home / 66,050,042.30-99,075,063.45-40,222,009.70

Finding the Fourth Proportional to 66,050,042.30, 99,075,063.45 and 40,222,009.70

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Solution

The fourth proportional to 66,050,042.30, 99,075,063.45 and 40,222,009.70 is: 60,333,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050,042.30 : 99,075,063.45 = 40,222,009.70 : x
  2. Step 2: Convert to fraction form
    66,050,042.30/99,075,063.45 = 40,222,009.70/x
  3. Step 3: Cross multiply
    66,050,042.30x = 99,075,063.45 × 40,222,009.70
  4. Step 4: Simplify right side
    66,050,042.30x = 3,984,998,163,114,016
  5. Step 5: Solve for x
    x = 3,984,998,163,114,016/66,050,042.30
  6. Step 6: Final answer
    x = 60,333,014.55

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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.