Home / 313,616,113.20-470,424,169.80-191,172,106.80

Finding the Fourth Proportional to 313,616,113.20, 470,424,169.80 and 191,172,106.80

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Solution

The fourth proportional to 313,616,113.20, 470,424,169.80 and 191,172,106.80 is: 286,758,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,616,113.20 : 470,424,169.80 = 191,172,106.80 : x
  2. Step 2: Convert to fraction form
    313,616,113.20/470,424,169.80 = 191,172,106.80/x
  3. Step 3: Cross multiply
    313,616,113.20x = 470,424,169.80 × 191,172,106.80
  4. Step 4: Simplify right side
    313,616,113.20x = 89,931,979,630,306,944
  5. Step 5: Solve for x
    x = 89,931,979,630,306,944/313,616,113.20
  6. Step 6: Final answer
    x = 286,758,160.20

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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.