Home / 313,278,287.58-432,331,237.44-172,158,281.64

Finding the Fourth Proportional to 313,278,287.58, 432,331,237.44 and 172,158,281.64

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Solution

The fourth proportional to 313,278,287.58, 432,331,237.44 and 172,158,281.64 is: 237,582,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,278,287.58 : 432,331,237.44 = 172,158,281.64 : x
  2. Step 2: Convert to fraction form
    313,278,287.58/432,331,237.44 = 172,158,281.64/x
  3. Step 3: Cross multiply
    313,278,287.58x = 432,331,237.44 × 172,158,281.64
  4. Step 4: Simplify right side
    313,278,287.58x = 74,429,402,936,965,232
  5. Step 5: Solve for x
    x = 74,429,402,936,965,232/313,278,287.58
  6. Step 6: Final answer
    x = 237,582,385.65

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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.