Home / 307,692,175.81-424,598,382.48-168,435,999.49

Finding the Fourth Proportional to 307,692,175.81, 424,598,382.48 and 168,435,999.49

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Solution

The fourth proportional to 307,692,175.81, 424,598,382.48 and 168,435,999.49 is: 232,432,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,692,175.81 : 424,598,382.48 = 168,435,999.49 : x
  2. Step 2: Convert to fraction form
    307,692,175.81/424,598,382.48 = 168,435,999.49/x
  3. Step 3: Cross multiply
    307,692,175.81x = 424,598,382.48 × 168,435,999.49
  4. Step 4: Simplify right side
    307,692,175.81x = 71,517,652,934,856,112
  5. Step 5: Solve for x
    x = 71,517,652,934,856,112/307,692,175.81
  6. Step 6: Final answer
    x = 232,432,471.66

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1.5x scale

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.