Home / 136,483,021.80-204,724,532.70-84,826,956.60

Finding the Fourth Proportional to 136,483,021.80, 204,724,532.70 and 84,826,956.60

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Solution

The fourth proportional to 136,483,021.80, 204,724,532.70 and 84,826,956.60 is: 127,240,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,483,021.80 : 204,724,532.70 = 84,826,956.60 : x
  2. Step 2: Convert to fraction form
    136,483,021.80/204,724,532.70 = 84,826,956.60/x
  3. Step 3: Cross multiply
    136,483,021.80x = 204,724,532.70 × 84,826,956.60
  4. Step 4: Simplify right side
    136,483,021.80x = 17,366,159,050,298,178
  5. Step 5: Solve for x
    x = 17,366,159,050,298,178/136,483,021.80
  6. Step 6: Final answer
    x = 127,240,434.90

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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.