Home / 209,952,495.60-315,264,666.60-142,096,009.20

Finding the Fourth Proportional to 209,952,495.60, 315,264,666.60 and 142,096,009.20

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Solution

The fourth proportional to 209,952,495.60, 315,264,666.60 and 142,096,009.20 is: 213,371,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,495.60 : 315,264,666.60 = 142,096,009.20 : x
  2. Step 2: Convert to fraction form
    209,952,495.60/315,264,666.60 = 142,096,009.20/x
  3. Step 3: Cross multiply
    209,952,495.60x = 315,264,666.60 × 142,096,009.20
  4. Step 4: Simplify right side
    209,952,495.60x = 44,797,850,965,628,536
  5. Step 5: Solve for x
    x = 44,797,850,965,628,536/209,952,495.60
  6. Step 6: Final answer
    x = 213,371,366.88

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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.