Home / 306,801,368.92-423,387,182.08-172,840,892.44

Finding the Fourth Proportional to 306,801,368.92, 423,387,182.08 and 172,840,892.44

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Solution

The fourth proportional to 306,801,368.92, 423,387,182.08 and 172,840,892.44 is: 238,521,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,801,368.92 : 423,387,182.08 = 172,840,892.44 : x
  2. Step 2: Convert to fraction form
    306,801,368.92/423,387,182.08 = 172,840,892.44/x
  3. Step 3: Cross multiply
    306,801,368.92x = 423,387,182.08 × 172,840,892.44
  4. Step 4: Simplify right side
    306,801,368.92x = 73,178,618,398,363,968
  5. Step 5: Solve for x
    x = 73,178,618,398,363,968/306,801,368.92
  6. Step 6: Final answer
    x = 238,521,159.98

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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.