Home / 164,923,357.50-247,275,851.49-78,675,075.90

Finding the Fourth Proportional to 164,923,357.50, 247,275,851.49 and 78,675,075.90

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Solution

The fourth proportional to 164,923,357.50, 247,275,851.49 and 78,675,075.90 is: 117,960,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,923,357.50 : 247,275,851.49 = 78,675,075.90 : x
  2. Step 2: Convert to fraction form
    164,923,357.50/247,275,851.49 = 78,675,075.90/x
  3. Step 3: Cross multiply
    164,923,357.50x = 247,275,851.49 × 78,675,075.90
  4. Step 4: Simplify right side
    164,923,357.50x = 19,454,446,384,212,880
  5. Step 5: Solve for x
    x = 19,454,446,384,212,880/164,923,357.50
  6. Step 6: Final answer
    x = 117,960,528.33

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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.