Home / 213,537,561.28-320,191,097.44-96,889,263.36

Finding the Fourth Proportional to 213,537,561.28, 320,191,097.44 and 96,889,263.36

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Solution

The fourth proportional to 213,537,561.28, 320,191,097.44 and 96,889,263.36 is: 145,281,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,537,561.28 : 320,191,097.44 = 96,889,263.36 : x
  2. Step 2: Convert to fraction form
    213,537,561.28/320,191,097.44 = 96,889,263.36/x
  3. Step 3: Cross multiply
    213,537,561.28x = 320,191,097.44 × 96,889,263.36
  4. Step 4: Simplify right side
    213,537,561.28x = 31,023,079,565,391,580
  5. Step 5: Solve for x
    x = 31,023,079,565,391,580/213,537,561.28
  6. Step 6: Final answer
    x = 145,281,604.69

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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.