Home / 66,692,840.85-92,036,120.37-36,169,448.85

Finding the Fourth Proportional to 66,692,840.85, 92,036,120.37 and 36,169,448.85

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Solution

The fourth proportional to 66,692,840.85, 92,036,120.37 and 36,169,448.85 is: 49,913,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,692,840.85 : 92,036,120.37 = 36,169,448.85 : x
  2. Step 2: Convert to fraction form
    66,692,840.85/92,036,120.37 = 36,169,448.85/x
  3. Step 3: Cross multiply
    66,692,840.85x = 92,036,120.37 × 36,169,448.85
  4. Step 4: Simplify right side
    66,692,840.85x = 3,328,895,748,075,158.50
  5. Step 5: Solve for x
    x = 3,328,895,748,075,158.50/66,692,840.85
  6. Step 6: Final answer
    x = 49,913,839.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.