Home / 103,496,313.84-142,822,410.72-57,085,571.28

Finding the Fourth Proportional to 103,496,313.84, 142,822,410.72 and 57,085,571.28

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Solution

The fourth proportional to 103,496,313.84, 142,822,410.72 and 57,085,571.28 is: 78,776,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,496,313.84 : 142,822,410.72 = 57,085,571.28 : x
  2. Step 2: Convert to fraction form
    103,496,313.84/142,822,410.72 = 57,085,571.28/x
  3. Step 3: Cross multiply
    103,496,313.84x = 142,822,410.72 × 57,085,571.28
  4. Step 4: Simplify right side
    103,496,313.84x = 8,153,098,907,537,996
  5. Step 5: Solve for x
    x = 8,153,098,907,537,996/103,496,313.84
  6. Step 6: Final answer
    x = 78,776,708.13

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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.