Home / 66,780,691.36-92,157,148.62-37,013,237.56

Finding the Fourth Proportional to 66,780,691.36, 92,157,148.62 and 37,013,237.56

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Solution

The fourth proportional to 66,780,691.36, 92,157,148.62 and 37,013,237.56 is: 51,078,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,780,691.36 : 92,157,148.62 = 37,013,237.56 : x
  2. Step 2: Convert to fraction form
    66,780,691.36/92,157,148.62 = 37,013,237.56/x
  3. Step 3: Cross multiply
    66,780,691.36x = 92,157,148.62 × 37,013,237.56
  4. Step 4: Simplify right side
    66,780,691.36x = 3,411,034,434,724,286.50
  5. Step 5: Solve for x
    x = 3,411,034,434,724,286.50/66,780,691.36
  6. Step 6: Final answer
    x = 51,078,153.96

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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.