Home / 119,232,005.20-178,848,007.80-64,812,446.80

Finding the Fourth Proportional to 119,232,005.20, 178,848,007.80 and 64,812,446.80

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Solution

The fourth proportional to 119,232,005.20, 178,848,007.80 and 64,812,446.80 is: 97,218,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,005.20 : 178,848,007.80 = 64,812,446.80 : x
  2. Step 2: Convert to fraction form
    119,232,005.20/178,848,007.80 = 64,812,446.80/x
  3. Step 3: Cross multiply
    119,232,005.20x = 178,848,007.80 × 64,812,446.80
  4. Step 4: Simplify right side
    119,232,005.20x = 11,591,576,990,823,486
  5. Step 5: Solve for x
    x = 11,591,576,990,823,486/119,232,005.20
  6. Step 6: Final answer
    x = 97,218,670.20

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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.