Home / 112,469,112.06-155,240,370.09-65,437,248.30

Finding the Fourth Proportional to 112,469,112.06, 155,240,370.09 and 65,437,248.30

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Solution

The fourth proportional to 112,469,112.06, 155,240,370.09 and 65,437,248.30 is: 90,322,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,469,112.06 : 155,240,370.09 = 65,437,248.30 : x
  2. Step 2: Convert to fraction form
    112,469,112.06/155,240,370.09 = 65,437,248.30/x
  3. Step 3: Cross multiply
    112,469,112.06x = 155,240,370.09 × 65,437,248.30
  4. Step 4: Simplify right side
    112,469,112.06x = 10,158,502,643,763,224
  5. Step 5: Solve for x
    x = 10,158,502,643,763,224/112,469,112.06
  6. Step 6: Final answer
    x = 90,322,600.20

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1.5x scale

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.