Home / 175,987,307.20-263,980,960.80-130,637,675.20

Finding the Fourth Proportional to 175,987,307.20, 263,980,960.80 and 130,637,675.20

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Solution

The fourth proportional to 175,987,307.20, 263,980,960.80 and 130,637,675.20 is: 195,956,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,987,307.20 : 263,980,960.80 = 130,637,675.20 : x
  2. Step 2: Convert to fraction form
    175,987,307.20/263,980,960.80 = 130,637,675.20/x
  3. Step 3: Cross multiply
    175,987,307.20x = 263,980,960.80 × 130,637,675.20
  4. Step 4: Simplify right side
    175,987,307.20x = 34,485,859,015,974,336
  5. Step 5: Solve for x
    x = 34,485,859,015,974,336/175,987,307.20
  6. Step 6: Final answer
    x = 195,956,512.80

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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.