Home / 194,740,929.42-268,742,540.45-105,432,855.81

Finding the Fourth Proportional to 194,740,929.42, 268,742,540.45 and 105,432,855.81

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Solution

The fourth proportional to 194,740,929.42, 268,742,540.45 and 105,432,855.81 is: 145,497,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,740,929.42 : 268,742,540.45 = 105,432,855.81 : x
  2. Step 2: Convert to fraction form
    194,740,929.42/268,742,540.45 = 105,432,855.81/x
  3. Step 3: Cross multiply
    194,740,929.42x = 268,742,540.45 × 105,432,855.81
  4. Step 4: Simplify right side
    194,740,929.42x = 28,334,293,518,760,360
  5. Step 5: Solve for x
    x = 28,334,293,518,760,360/194,740,929.42
  6. Step 6: Final answer
    x = 145,497,372.35

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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.