Home / 193,348,848.72-266,828,451.24-105,238,587.68

Finding the Fourth Proportional to 193,348,848.72, 266,828,451.24 and 105,238,587.68

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Solution

The fourth proportional to 193,348,848.72, 266,828,451.24 and 105,238,587.68 is: 145,233,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,348,848.72 : 266,828,451.24 = 105,238,587.68 : x
  2. Step 2: Convert to fraction form
    193,348,848.72/266,828,451.24 = 105,238,587.68/x
  3. Step 3: Cross multiply
    193,348,848.72x = 266,828,451.24 × 105,238,587.68
  4. Step 4: Simplify right side
    193,348,848.72x = 28,080,649,361,339,348
  5. Step 5: Solve for x
    x = 28,080,649,361,339,348/193,348,848.72
  6. Step 6: Final answer
    x = 145,233,082.83

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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.