Home / 219,486,888.54-329,230,443.53-66,132,944.98

Finding the Fourth Proportional to 219,486,888.54, 329,230,443.53 and 66,132,944.98

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Solution

The fourth proportional to 219,486,888.54, 329,230,443.53 and 66,132,944.98 is: 99,199,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,486,888.54 : 329,230,443.53 = 66,132,944.98 : x
  2. Step 2: Convert to fraction form
    219,486,888.54/329,230,443.53 = 66,132,944.98/x
  3. Step 3: Cross multiply
    219,486,888.54x = 329,230,443.53 × 66,132,944.98
  4. Step 4: Simplify right side
    219,486,888.54x = 21,772,978,806,681,076
  5. Step 5: Solve for x
    x = 21,772,978,806,681,076/219,486,888.54
  6. Step 6: Final answer
    x = 99,199,450.83

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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.