Home / 71,903,821,630.77-99,241,308,994.69-43,362,123,738.92

Finding the Fourth Proportional to 71,903,821,630.77, 99,241,308,994.69 and 43,362,123,738.92

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Solution

The fourth proportional to 71,903,821,630.77, 99,241,308,994.69 and 43,362,123,738.92 is: 59,848,194,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,903,821,630.77 : 99,241,308,994.69 = 43,362,123,738.92 : x
  2. Step 2: Convert to fraction form
    71,903,821,630.77/99,241,308,994.69 = 43,362,123,738.92/x
  3. Step 3: Cross multiply
    71,903,821,630.77x = 99,241,308,994.69 × 43,362,123,738.92
  4. Step 4: Simplify right side
    71,903,821,630.77x = 4,303,313,920,640,366,411,776
  5. Step 5: Solve for x
    x = 4,303,313,920,640,366,411,776/71,903,821,630.77
  6. Step 6: Final answer
    x = 59,848,194,755.74

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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.