Home / 145,201,604.40-217,802,406.60-54,313,383.60

Finding the Fourth Proportional to 145,201,604.40, 217,802,406.60 and 54,313,383.60

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Solution

The fourth proportional to 145,201,604.40, 217,802,406.60 and 54,313,383.60 is: 81,470,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,201,604.40 : 217,802,406.60 = 54,313,383.60 : x
  2. Step 2: Convert to fraction form
    145,201,604.40/217,802,406.60 = 54,313,383.60/x
  3. Step 3: Cross multiply
    145,201,604.40x = 217,802,406.60 × 54,313,383.60
  4. Step 4: Simplify right side
    145,201,604.40x = 11,829,585,658,668,972
  5. Step 5: Solve for x
    x = 11,829,585,658,668,972/145,201,604.40
  6. Step 6: Final answer
    x = 81,470,075.40

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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.