Home / 219,412,292.59-302,789,368.46-118,940,419.09

Finding the Fourth Proportional to 219,412,292.59, 302,789,368.46 and 118,940,419.09

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Solution

The fourth proportional to 219,412,292.59, 302,789,368.46 and 118,940,419.09 is: 164,137,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,412,292.59 : 302,789,368.46 = 118,940,419.09 : x
  2. Step 2: Convert to fraction form
    219,412,292.59/302,789,368.46 = 118,940,419.09/x
  3. Step 3: Cross multiply
    219,412,292.59x = 302,789,368.46 × 118,940,419.09
  4. Step 4: Simplify right side
    219,412,292.59x = 36,013,894,380,628,828
  5. Step 5: Solve for x
    x = 36,013,894,380,628,828/219,412,292.59
  6. Step 6: Final answer
    x = 164,137,997.72

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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.