Home / 134,866,676.72-186,116,011.08-72,987,026.96

Finding the Fourth Proportional to 134,866,676.72, 186,116,011.08 and 72,987,026.96

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Solution

The fourth proportional to 134,866,676.72, 186,116,011.08 and 72,987,026.96 is: 100,722,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,866,676.72 : 186,116,011.08 = 72,987,026.96 : x
  2. Step 2: Convert to fraction form
    134,866,676.72/186,116,011.08 = 72,987,026.96/x
  3. Step 3: Cross multiply
    134,866,676.72x = 186,116,011.08 × 72,987,026.96
  4. Step 4: Simplify right side
    134,866,676.72x = 13,584,054,318,383,618
  5. Step 5: Solve for x
    x = 13,584,054,318,383,618/134,866,676.72
  6. Step 6: Final answer
    x = 100,722,095.69

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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.