Home / 130,973,644.32-196,596,729-96,469,005.12

Finding the Fourth Proportional to 130,973,644.32, 196,596,729 and 96,469,005.12

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Solution

The fourth proportional to 130,973,644.32, 196,596,729 and 96,469,005.12 is: 144,803,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,973,644.32 : 196,596,729 = 96,469,005.12 : x
  2. Step 2: Convert to fraction form
    130,973,644.32/196,596,729 = 96,469,005.12/x
  3. Step 3: Cross multiply
    130,973,644.32x = 196,596,729 × 96,469,005.12
  4. Step 4: Simplify right side
    130,973,644.32x = 18,965,490,856,476,252
  5. Step 5: Solve for x
    x = 18,965,490,856,476,252/130,973,644.32
  6. Step 6: Final answer
    x = 144,803,872.22

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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.