Home / 194,624,120.64-268,581,996-105,316,065.12

Finding the Fourth Proportional to 194,624,120.64, 268,581,996 and 105,316,065.12

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Solution

The fourth proportional to 194,624,120.64, 268,581,996 and 105,316,065.12 is: 145,336,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,624,120.64 : 268,581,996 = 105,316,065.12 : x
  2. Step 2: Convert to fraction form
    194,624,120.64/268,581,996 = 105,316,065.12/x
  3. Step 3: Cross multiply
    194,624,120.64x = 268,581,996 × 105,316,065.12
  4. Step 4: Simplify right side
    194,624,120.64x = 28,285,998,980,795,580
  5. Step 5: Solve for x
    x = 28,285,998,980,795,580/194,624,120.64
  6. Step 6: Final answer
    x = 145,336,553.80

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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.