Home / 66,531,272.52-91,778,765.94-42,099,158.28

Finding the Fourth Proportional to 66,531,272.52, 91,778,765.94 and 42,099,158.28

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Solution

The fourth proportional to 66,531,272.52, 91,778,765.94 and 42,099,158.28 is: 58,075,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,531,272.52 : 91,778,765.94 = 42,099,158.28 : x
  2. Step 2: Convert to fraction form
    66,531,272.52/91,778,765.94 = 42,099,158.28/x
  3. Step 3: Cross multiply
    66,531,272.52x = 91,778,765.94 × 42,099,158.28
  4. Step 4: Simplify right side
    66,531,272.52x = 3,863,808,794,051,133
  5. Step 5: Solve for x
    x = 3,863,808,794,051,133/66,531,272.52
  6. Step 6: Final answer
    x = 58,075,077.29

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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.