Home / 313,965,196.53-470,911,860.21-83,952,217.32

Finding the Fourth Proportional to 313,965,196.53, 470,911,860.21 and 83,952,217.32

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Solution

The fourth proportional to 313,965,196.53, 470,911,860.21 and 83,952,217.32 is: 125,918,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,965,196.53 : 470,911,860.21 = 83,952,217.32 : x
  2. Step 2: Convert to fraction form
    313,965,196.53/470,911,860.21 = 83,952,217.32/x
  3. Step 3: Cross multiply
    313,965,196.53x = 470,911,860.21 × 83,952,217.32
  4. Step 4: Simplify right side
    313,965,196.53x = 39,534,094,826,915,376
  5. Step 5: Solve for x
    x = 39,534,094,826,915,376/313,965,196.53
  6. Step 6: Final answer
    x = 125,918,717.31

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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.