Home / 66,905,917.92-92,335,731.84-37,139,367.72

Finding the Fourth Proportional to 66,905,917.92, 92,335,731.84 and 37,139,367.72

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Solution

The fourth proportional to 66,905,917.92, 92,335,731.84 and 37,139,367.72 is: 51,255,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,905,917.92 : 92,335,731.84 = 37,139,367.72 : x
  2. Step 2: Convert to fraction form
    66,905,917.92/92,335,731.84 = 37,139,367.72/x
  3. Step 3: Cross multiply
    66,905,917.92x = 92,335,731.84 × 37,139,367.72
  4. Step 4: Simplify right side
    66,905,917.92x = 3,429,290,698,501,072
  5. Step 5: Solve for x
    x = 3,429,290,698,501,072/66,905,917.92
  6. Step 6: Final answer
    x = 51,255,416.64

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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.