Home / 81,667,054.40-122,500,581.60-63,172,907.60

Finding the Fourth Proportional to 81,667,054.40, 122,500,581.60 and 63,172,907.60

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Solution

The fourth proportional to 81,667,054.40, 122,500,581.60 and 63,172,907.60 is: 94,759,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,667,054.40 : 122,500,581.60 = 63,172,907.60 : x
  2. Step 2: Convert to fraction form
    81,667,054.40/122,500,581.60 = 63,172,907.60/x
  3. Step 3: Cross multiply
    81,667,054.40x = 122,500,581.60 × 63,172,907.60
  4. Step 4: Simplify right side
    81,667,054.40x = 7,738,717,922,363,060
  5. Step 5: Solve for x
    x = 7,738,717,922,363,060/81,667,054.40
  6. Step 6: Final answer
    x = 94,759,361.40

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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.