Home / 213,219,279.13-321,284,296.64-175,209,200.34

Finding the Fourth Proportional to 213,219,279.13, 321,284,296.64 and 175,209,200.34

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Solution

The fourth proportional to 213,219,279.13, 321,284,296.64 and 175,209,200.34 is: 264,009,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,219,279.13 : 321,284,296.64 = 175,209,200.34 : x
  2. Step 2: Convert to fraction form
    213,219,279.13/321,284,296.64 = 175,209,200.34/x
  3. Step 3: Cross multiply
    213,219,279.13x = 321,284,296.64 × 175,209,200.34
  4. Step 4: Simplify right side
    213,219,279.13x = 56,291,964,693,611,280
  5. Step 5: Solve for x
    x = 56,291,964,693,611,280/213,219,279.13
  6. Step 6: Final answer
    x = 264,009,731.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.