Home / 171,781,045.67-257,913,706.30-123,232,434.09

Finding the Fourth Proportional to 171,781,045.67, 257,913,706.30 and 123,232,434.09

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Solution

The fourth proportional to 171,781,045.67, 257,913,706.30 and 123,232,434.09 is: 185,022,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,781,045.67 : 257,913,706.30 = 123,232,434.09 : x
  2. Step 2: Convert to fraction form
    171,781,045.67/257,913,706.30 = 123,232,434.09/x
  3. Step 3: Cross multiply
    171,781,045.67x = 257,913,706.30 × 123,232,434.09
  4. Step 4: Simplify right side
    171,781,045.67x = 31,783,333,812,214,288
  5. Step 5: Solve for x
    x = 31,783,333,812,214,288/171,781,045.67
  6. Step 6: Final answer
    x = 185,022,356.16

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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.