Home / 254,668,205.70-382,002,308.55-72,915,383.70

Finding the Fourth Proportional to 254,668,205.70, 382,002,308.55 and 72,915,383.70

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Solution

The fourth proportional to 254,668,205.70, 382,002,308.55 and 72,915,383.70 is: 109,373,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,668,205.70 : 382,002,308.55 = 72,915,383.70 : x
  2. Step 2: Convert to fraction form
    254,668,205.70/382,002,308.55 = 72,915,383.70/x
  3. Step 3: Cross multiply
    254,668,205.70x = 382,002,308.55 × 72,915,383.70
  4. Step 4: Simplify right side
    254,668,205.70x = 27,853,844,902,209,044
  5. Step 5: Solve for x
    x = 27,853,844,902,209,044/254,668,205.70
  6. Step 6: Final answer
    x = 109,373,075.55

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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.