Home / 55,422,047.80-83,133,071.70-54,477,263.80

Finding the Fourth Proportional to 55,422,047.80, 83,133,071.70 and 54,477,263.80

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Solution

The fourth proportional to 55,422,047.80, 83,133,071.70 and 54,477,263.80 is: 81,715,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422,047.80 : 83,133,071.70 = 54,477,263.80 : x
  2. Step 2: Convert to fraction form
    55,422,047.80/83,133,071.70 = 54,477,263.80/x
  3. Step 3: Cross multiply
    55,422,047.80x = 83,133,071.70 × 54,477,263.80
  4. Step 4: Simplify right side
    55,422,047.80x = 4,528,862,277,505,214
  5. Step 5: Solve for x
    x = 4,528,862,277,505,214/55,422,047.80
  6. Step 6: Final answer
    x = 81,715,895.70

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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.