Home / 112,469,110.56-155,240,368.02-65,437,246.80

Finding the Fourth Proportional to 112,469,110.56, 155,240,368.02 and 65,437,246.80

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Solution

The fourth proportional to 112,469,110.56, 155,240,368.02 and 65,437,246.80 is: 90,322,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,469,110.56 : 155,240,368.02 = 65,437,246.80 : x
  2. Step 2: Convert to fraction form
    112,469,110.56/155,240,368.02 = 65,437,246.80/x
  3. Step 3: Cross multiply
    112,469,110.56x = 155,240,368.02 × 65,437,246.80
  4. Step 4: Simplify right side
    112,469,110.56x = 10,158,502,275,447,568
  5. Step 5: Solve for x
    x = 10,158,502,275,447,568/112,469,110.56
  6. Step 6: Final answer
    x = 90,322,598.13

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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.