Home / 66,905,936.88-92,335,758.08-37,139,386.72

Finding the Fourth Proportional to 66,905,936.88, 92,335,758.08 and 37,139,386.72

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Solution

The fourth proportional to 66,905,936.88, 92,335,758.08 and 37,139,386.72 is: 51,255,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,905,936.88 : 92,335,758.08 = 37,139,386.72 : x
  2. Step 2: Convert to fraction form
    66,905,936.88/92,335,758.08 = 37,139,386.72/x
  3. Step 3: Cross multiply
    66,905,936.88x = 92,335,758.08 × 37,139,386.72
  4. Step 4: Simplify right side
    66,905,936.88x = 3,429,293,427,417,484.50
  5. Step 5: Solve for x
    x = 3,429,293,427,417,484.50/66,905,936.88
  6. Step 6: Final answer
    x = 51,255,442.90

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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.