Home / 193,830,215.22-267,488,911.44-105,724,235.88

Finding the Fourth Proportional to 193,830,215.22, 267,488,911.44 and 105,724,235.88

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Solution

The fourth proportional to 193,830,215.22, 267,488,911.44 and 105,724,235.88 is: 145,901,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,830,215.22 : 267,488,911.44 = 105,724,235.88 : x
  2. Step 2: Convert to fraction form
    193,830,215.22/267,488,911.44 = 105,724,235.88/x
  3. Step 3: Cross multiply
    193,830,215.22x = 267,488,911.44 × 105,724,235.88
  4. Step 4: Simplify right side
    193,830,215.22x = 28,280,060,768,366,988
  5. Step 5: Solve for x
    x = 28,280,060,768,366,988/193,830,215.22
  6. Step 6: Final answer
    x = 145,901,198.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.