Home / 213,072,376.30-319,847,712.90-164,764,389.40

Finding the Fourth Proportional to 213,072,376.30, 319,847,712.90 and 164,764,389.40

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Solution

The fourth proportional to 213,072,376.30, 319,847,712.90 and 164,764,389.40 is: 247,331,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,072,376.30 : 319,847,712.90 = 164,764,389.40 : x
  2. Step 2: Convert to fraction form
    213,072,376.30/319,847,712.90 = 164,764,389.40/x
  3. Step 3: Cross multiply
    213,072,376.30x = 319,847,712.90 × 164,764,389.40
  4. Step 4: Simplify right side
    213,072,376.30x = 52,699,513,116,955,000
  5. Step 5: Solve for x
    x = 52,699,513,116,955,000/213,072,376.30
  6. Step 6: Final answer
    x = 247,331,512.57

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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.