Home / 103,517,541.70-155,144,436.45-55,018,629.70

Finding the Fourth Proportional to 103,517,541.70, 155,144,436.45 and 55,018,629.70

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Solution

The fourth proportional to 103,517,541.70, 155,144,436.45 and 55,018,629.70 is: 82,457,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,541.70 : 155,144,436.45 = 55,018,629.70 : x
  2. Step 2: Convert to fraction form
    103,517,541.70/155,144,436.45 = 55,018,629.70/x
  3. Step 3: Cross multiply
    103,517,541.70x = 155,144,436.45 × 55,018,629.70
  4. Step 4: Simplify right side
    103,517,541.70x = 8,535,834,299,057,732
  5. Step 5: Solve for x
    x = 8,535,834,299,057,732/103,517,541.70
  6. Step 6: Final answer
    x = 82,457,853.61

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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.