Home / 314,509,785.80-434,024,819.78-173,377,908.84

Finding the Fourth Proportional to 314,509,785.80, 434,024,819.78 and 173,377,908.84

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Solution

The fourth proportional to 314,509,785.80, 434,024,819.78 and 173,377,908.84 is: 239,262,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,509,785.80 : 434,024,819.78 = 173,377,908.84 : x
  2. Step 2: Convert to fraction form
    314,509,785.80/434,024,819.78 = 173,377,908.84/x
  3. Step 3: Cross multiply
    314,509,785.80x = 434,024,819.78 × 173,377,908.84
  4. Step 4: Simplify right side
    314,509,785.80x = 75,250,315,637,247,376
  5. Step 5: Solve for x
    x = 75,250,315,637,247,376/314,509,785.80
  6. Step 6: Final answer
    x = 239,262,239.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.