Home / 103,626,864.36-142,945,123.70-66,957,435.36

Finding the Fourth Proportional to 103,626,864.36, 142,945,123.70 and 66,957,435.36

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Solution

The fourth proportional to 103,626,864.36, 142,945,123.70 and 66,957,435.36 is: 92,362,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626,864.36 : 142,945,123.70 = 66,957,435.36 : x
  2. Step 2: Convert to fraction form
    103,626,864.36/142,945,123.70 = 66,957,435.36/x
  3. Step 3: Cross multiply
    103,626,864.36x = 142,945,123.70 × 66,957,435.36
  4. Step 4: Simplify right side
    103,626,864.36x = 9,571,238,880,169,954
  5. Step 5: Solve for x
    x = 9,571,238,880,169,954/103,626,864.36
  6. Step 6: Final answer
    x = 92,362,525.29

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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.