Home / 133,796,967.90-184,718,966.31-84,279,788.70

Finding the Fourth Proportional to 133,796,967.90, 184,718,966.31 and 84,279,788.70

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Solution

The fourth proportional to 133,796,967.90, 184,718,966.31 and 84,279,788.70 is: 116,355,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,796,967.90 : 184,718,966.31 = 84,279,788.70 : x
  2. Step 2: Convert to fraction form
    133,796,967.90/184,718,966.31 = 84,279,788.70/x
  3. Step 3: Cross multiply
    133,796,967.90x = 184,718,966.31 × 84,279,788.70
  4. Step 4: Simplify right side
    133,796,967.90x = 15,568,075,449,489,220
  5. Step 5: Solve for x
    x = 15,568,075,449,489,220/133,796,967.90
  6. Step 6: Final answer
    x = 116,355,966.01

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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.