Home / 144,699,856.40-217,049,784.60-87,304,228.40

Finding the Fourth Proportional to 144,699,856.40, 217,049,784.60 and 87,304,228.40

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Solution

The fourth proportional to 144,699,856.40, 217,049,784.60 and 87,304,228.40 is: 130,956,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,699,856.40 : 217,049,784.60 = 87,304,228.40 : x
  2. Step 2: Convert to fraction form
    144,699,856.40/217,049,784.60 = 87,304,228.40/x
  3. Step 3: Cross multiply
    144,699,856.40x = 217,049,784.60 × 87,304,228.40
  4. Step 4: Simplify right side
    144,699,856.40x = 18,949,363,968,889,204
  5. Step 5: Solve for x
    x = 18,949,363,968,889,204/144,699,856.40
  6. Step 6: Final answer
    x = 130,956,342.60

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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.