Home / 83,987,705.60-115,903,032.76-45,356,537.60

Finding the Fourth Proportional to 83,987,705.60, 115,903,032.76 and 45,356,537.60

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Solution

The fourth proportional to 83,987,705.60, 115,903,032.76 and 45,356,537.60 is: 62,592,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,987,705.60 : 115,903,032.76 = 45,356,537.60 : x
  2. Step 2: Convert to fraction form
    83,987,705.60/115,903,032.76 = 45,356,537.60/x
  3. Step 3: Cross multiply
    83,987,705.60x = 115,903,032.76 × 45,356,537.60
  4. Step 4: Simplify right side
    83,987,705.60x = 5,256,960,263,332,972
  5. Step 5: Solve for x
    x = 5,256,960,263,332,972/83,987,705.60
  6. Step 6: Final answer
    x = 62,592,021.37

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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.