Home / 67,508,923.52-93,160,389.12-39,631,185.44

Finding the Fourth Proportional to 67,508,923.52, 93,160,389.12 and 39,631,185.44

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Solution

The fourth proportional to 67,508,923.52, 93,160,389.12 and 39,631,185.44 is: 54,689,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,508,923.52 : 93,160,389.12 = 39,631,185.44 : x
  2. Step 2: Convert to fraction form
    67,508,923.52/93,160,389.12 = 39,631,185.44/x
  3. Step 3: Cross multiply
    67,508,923.52x = 93,160,389.12 × 39,631,185.44
  4. Step 4: Simplify right side
    67,508,923.52x = 3,692,056,656,877,278.50
  5. Step 5: Solve for x
    x = 3,692,056,656,877,278.50/67,508,923.52
  6. Step 6: Final answer
    x = 54,689,905.64

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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.