Home / 66,415,266.30-99,622,899.45-55,077,858.30

Finding the Fourth Proportional to 66,415,266.30, 99,622,899.45 and 55,077,858.30

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Solution

The fourth proportional to 66,415,266.30, 99,622,899.45 and 55,077,858.30 is: 82,616,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,415,266.30 : 99,622,899.45 = 55,077,858.30 : x
  2. Step 2: Convert to fraction form
    66,415,266.30/99,622,899.45 = 55,077,858.30/x
  3. Step 3: Cross multiply
    66,415,266.30x = 99,622,899.45 × 55,077,858.30
  4. Step 4: Simplify right side
    66,415,266.30x = 5,487,015,939,342,248
  5. Step 5: Solve for x
    x = 5,487,015,939,342,248/66,415,266.30
  6. Step 6: Final answer
    x = 82,616,787.45

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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.